chore: release v0.20.7

README.fr.md

@@ -1,5 +1,9 @@
 # OpsLog
 
+<a href="https://discord.gg/FYM8yw5pT" target="_blank">
+  <img src="https://img.shields.io/badge/Discord-Rejoindre%20le%20serveur-5865F2?logo=discord&logoColor=white" alt="Rejoindre notre Discord" />
+</a>
+
 Un logiciel de log radioamateur moderne et rapide pour Windows — saisie façon
 Log4OM, CAT en temps réel pour **OmniRig**, **FlexRadio/SmartSDR** natif,
 **Icom CI-V** natif (USB **et** à distance par internet, en remplacement de

README.md

@@ -1,5 +1,9 @@
 # OpsLog
 
+<a href="https://discord.gg/FYM8yw5pT" target="_blank">
+  <img src="https://img.shields.io/badge/Discord-Join%20the%20server-5865F2?logo=discord&logoColor=white" alt="Join our Discord" />
+</a>
+
 A modern, fast ham-radio logger for Windows — Log4OM-style entry, real-time CAT
 for **OmniRig**, native **FlexRadio/SmartSDR**, native **Icom CI-V** (USB **and**
 remote-over-internet, replacing RS-BA1) and **TCI** (SunSDR / Expert Electronics),

app.go

@@ -19,6 +19,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"hamlog/internal/acom"
 	"hamlog/internal/adif"
 	"hamlog/internal/alerts"
 	"hamlog/internal/antgenius"
@@ -44,15 +45,15 @@ import (
 	"hamlog/internal/operating"
 	"hamlog/internal/pota"
 	"hamlog/internal/powergenius"
-	"hamlog/internal/spe"
 	"hamlog/internal/profile"
 	"hamlog/internal/qslcard"
 	"hamlog/internal/qso"
-	"hamlog/internal/rotator/pst"
 	"hamlog/internal/relaydev"
+	"hamlog/internal/rotator/pst"
 	"hamlog/internal/rotgenius"
 	"hamlog/internal/settings"
 	"hamlog/internal/solar"
+	"hamlog/internal/spe"
 	"hamlog/internal/steppir"
 	"hamlog/internal/uls"
 	"hamlog/internal/ultrabeam"
@@ -466,6 +467,7 @@ type App struct {
 	antgenius      *antgenius.Client   // Antenna Genius (4O3A) switch (TCP); nil when disabled
 	pgxl           *powergenius.Client // PowerGenius XL (4O3A) amp fan control (TCP); nil when disabled
 	spe            *spe.Client         // SPE Expert amplifier (serial/TCP); nil when disabled or not SPE
+	acom           *acom.Client        // ACOM 500S/600S/700S/1200S/2020S amplifier (serial/TCP); nil when disabled or not ACOM
 	audioMgr       *audio.Manager
 	qsoRec         *audio.Recorder    // continuous QSO recorder (rolling pre-roll)
 	solar          *solar.Manager     // live space-weather (SFI/SSN/A/K) for the header + QSO stamping
@@ -512,6 +514,8 @@ type App struct {
 	liveMode           string
 	livePublishTimer   *time.Timer // debounced live-status publish on activity change
 	liveLastQSOAt      time.Time   // when this operator last logged a NEW contact — drives online/offline
+	liveTableMu        sync.Mutex  // guards liveTableFor
+	liveTableFor       *sql.DB     // logbook whose live_status DDL has been ensured (once per connection, not per call)
 	awardSnapMu        sync.Mutex  // guards the award QSO snapshot
 	awardSnap          []qso.QSO   // light-scanned + enriched logbook snapshot reused across award computations
 	awardSnapRev       string      // logbook revision the snapshot was built at ("" = none)
@@ -1934,7 +1938,13 @@ func (a *App) AddQSO(q qso.QSO) (id int64, err error) {
 	// was redundant with the entry lookup and only slowed logging (a call not yet in
 	// the cache made AddQSO wait on QRZ/HamQTH). If the entry lookup hadn't finished
 	// when you logged (fast CW: type → Enter), the e-mail is simply blank — fine.
+	insT0 := time.Now()
 	id, err = a.qso.Add(a.ctx, q)
+	if d := time.Since(insT0); d > 2*time.Second {
+		// Surface a genuinely slow INSERT (DB lock / overloaded server) — this is the
+		// value we need when someone reports "logging took N seconds".
+		applog.Printf("log: SLOW qso insert took %s (call=%s band=%s mode=%s)", d.Round(time.Millisecond), q.Callsign, q.Band, q.Mode)
+	}
 	if err != nil && db.IsConnLost(err) {
 		// The database is UNREACHABLE (not a data error) — park the QSO in the
 		// offline outbox rather than lose it. Returns id = -1 so the UI can say
@@ -1948,25 +1958,36 @@ func (a *App) AddQSO(q qso.QSO) (id int64, err error) {
 	}
 	if err == nil {
 		q.ID = id
-		a.noteWorked(q.Callsign, q.Band, q.Mode) // keep the alert worked-index fresh
-		a.noteLiveQSO()                           // multi-op: flip this operator back "online"
-		a.materializeAwardRefs(q)                 // stamp award_refs so the grid columns show at once
-		// Announce the log so UI widgets can react (e.g. the Flex panel zeroing RIT).
+		a.noteWorked(q.Callsign, q.Band, q.Mode) // keep the alert worked-index fresh (in-memory)
+		a.noteLiveQSO()                          // multi-op: flip this operator back "online" (publishes async)
+		// Announce the log RIGHT AWAY so the grid/UI refresh at once and the entry
+		// form clears immediately — the operator is not made to wait on the DB.
 		wruntime.EventsEmit(a.ctx, "qso:logged", id)
-		a.saveQSORecording(&q)
+		// Everything below writes to (or reads from) the shared DB. Run it OFF the
+		// critical path: on a busy multi-op MySQL the award_refs UPDATE alone could
+		// block ~40s (and hit "Too many connections"), which used to freeze the log
+		// (form stuck, "…" on the button) until it finished. The QSO row is already
+		// safely inserted; these just enrich it, so they can lag a beat.
+		qc := q
+		go func() {
+			a.materializeAwardRefs(qc) // fills the award_refs column
+			a.saveQSORecording(&qc)
 			if a.extsvc != nil {
 				a.extsvc.OnQSOLogged(id)
 			}
-		a.maybeAutoSendEQSL(q)
-		// Forward the ADIF of this QSO to any outbound "ADIF message" UDP rows.
+			a.maybeAutoSendEQSL(qc)
 			if a.udp != nil {
-			go a.udp.EmitLoggedADIF(adif.SingleRecordADIF(q))
+				a.udp.EmitLoggedADIF(adif.SingleRecordADIF(qc))
 			}
-		// A successful write means the link is healthy again — if QSOs are still
-		// parked, get them in now rather than waiting for the next tick.
+			// Nudge the grid again so the award_refs columns appear once materialised.
+			if a.ctx != nil {
+				wruntime.EventsEmit(a.ctx, "qso:logged", id)
+			}
+			// A successful write means the link is healthy — flush any parked QSOs.
 			if a.offlineMode && a.offlineQ != nil && a.offlineQ.Count() > 0 {
-			go func() { _, _ = a.replayOfflineQueue() }()
+				_, _ = a.replayOfflineQueue()
 			}
+		}()
 	}
 	return id, err
 }
@@ -9634,24 +9655,28 @@ func (a *App) LogUDPLoggedADIF(adifText string) (int64, error) {
 		return 0, fmt.Errorf("insert qso: %w", err)
 	}
 	q.ID = id
-	a.noteLiveQSO() // multi-op: flip this operator back "online"
-	a.materializeAwardRefs(q)
-	// Announce the log so UI widgets refresh AT ONCE (the Recent-QSOs grid, the
-	// ON-AIR badge and the "stations on air" widget). The manual log path always
-	// did this; the UDP/FT8 path did not, so a station running MSHV saw the top
-	// "on air" list lag ~15-45s behind the instant bottom badge.
+	a.noteLiveQSO() // multi-op: flip this operator back "online" (publishes async)
+	// Announce the log AT ONCE so the grid / ON-AIR badge / stations-on-air widget
+	// refresh immediately, then run the DB-heavy enrichment off the critical path
+	// (same reasoning as the manual path — award_refs on a busy shared MySQL blocked).
 	if a.ctx != nil {
 		wruntime.EventsEmit(a.ctx, "qso:logged", id)
 	}
-	a.saveQSORecording(&q)
+	qc := q
+	go func() {
+		a.materializeAwardRefs(qc)
+		a.saveQSORecording(&qc)
 		if a.extsvc != nil {
 			a.extsvc.OnQSOLogged(id)
 		}
-	a.maybeAutoSendEQSL(q)
-	// A successful write means the link is healthy again — flush anything parked.
-	if a.offlineMode && a.offlineQ != nil && a.offlineQ.Count() > 0 {
-		go func() { _, _ = a.replayOfflineQueue() }()
+		a.maybeAutoSendEQSL(qc)
+		if a.ctx != nil {
+			wruntime.EventsEmit(a.ctx, "qso:logged", id) // refresh again so award_refs show
 		}
+		if a.offlineMode && a.offlineQ != nil && a.offlineQ.Count() > 0 {
+			_, _ = a.replayOfflineQueue()
+		}
+	}()
 	return id, nil
 }
 
@@ -11321,7 +11346,6 @@ func (a *App) SaveRotatorSettings(s RotatorSettings) error {
 	return nil
 }
 
-
 // RotatorHeading is the live antenna heading for the status bar.
 type RotatorHeading struct {
 	Enabled bool   `json:"enabled"`
@@ -12248,11 +12272,12 @@ func (a *App) AntGeniusDeselect(port int) error {
 // ── PowerGenius XL (4O3A) amplifier fan control (TCP, default port 9008) ─────
 
 // PGXLSettings is the JSON shape for the Hardware → Amplifier panel. It covers
-// the 4O3A PowerGenius XL (TCP) and the SPE Expert amps (USB serial or an
-// RS232-to-Ethernet bridge). The type name is kept for binding compatibility.
+// the 4O3A PowerGenius XL (TCP), the SPE Expert amps and the ACOM S-series amps
+// (both: USB serial or an RS232-to-Ethernet bridge). The type name is kept for
+// binding compatibility.
 type PGXLSettings struct {
 	Enabled   bool   `json:"enabled"`
-	Type      string `json:"type"`      // "pgxl" | "spe13" | "spe15" | "spe2k"
+	Type      string `json:"type"`      // "pgxl" | "spe13" | "spe15" | "spe2k" | "acom500" | "acom600" | "acom700" | "acom1200" | "acom2020"
 	Transport string `json:"transport"` // "tcp" | "serial"
 	Host      string `json:"host"`      // TCP transport
 	Port      int    `json:"port"`      // TCP transport
@@ -12333,6 +12358,10 @@ func (a *App) startPGXL() {
 		go a.spe.Stop()
 		a.spe = nil
 	}
+	if a.acom != nil {
+		go a.acom.Stop()
+		a.acom = nil
+	}
 	s, err := a.GetPGXLSettings()
 	if err != nil || !s.Enabled {
 		return
@@ -12345,13 +12374,18 @@ func (a *App) startPGXL() {
 		_ = a.pgxl.Start()
 		return
 	}
-	// SPE Expert — USB serial or an RS232-to-Ethernet bridge.
+	// SPE Expert / ACOM — USB serial or an RS232-to-Ethernet bridge.
 	if s.Transport == "serial" && strings.TrimSpace(s.ComPort) == "" {
 		return
 	}
 	if s.Transport == "tcp" && strings.TrimSpace(s.Host) == "" {
 		return
 	}
+	if model, ok := strings.CutPrefix(s.Type, "acom"); ok {
+		a.acom = acom.New(acom.Config{Model: model + "S", Transport: s.Transport, ComPort: s.ComPort, Baud: s.Baud, Host: s.Host, Port: s.Port})
+		_ = a.acom.Start()
+		return
+	}
 	a.spe = spe.New(spe.Config{Transport: s.Transport, ComPort: s.ComPort, Baud: s.Baud, Host: s.Host, Port: s.Port})
 	_ = a.spe.Start()
 }
@@ -12392,6 +12426,35 @@ func (a *App) SPESetPowerLevel(level string) error {
 	return a.spe.SetPowerLevel(level)
 }
 
+// GetACOMStatus returns the ACOM amplifier state for the UI poll.
+func (a *App) GetACOMStatus() acom.Status {
+	if a.acom == nil {
+		return acom.Status{}
+	}
+	return a.acom.GetStatus()
+}
+
+// ACOMSetOperate puts the ACOM amp in OPERATE (true) or STANDBY (false) — the
+// protocol has explicit commands for each, unlike the SPE's toggle key.
+func (a *App) ACOMSetOperate(on bool) error {
+	if a.acom == nil {
+		return fmt.Errorf("ACOM amplifier not connected — enable it in Settings → Amplifier")
+	}
+	return a.acom.Operate(on)
+}
+
+// ACOMSetPower turns the ACOM amp on (true, a DTR/RTS pulse — serial only, needs
+// the power-on pins wired in the cable) or off (false, the OFF data command).
+func (a *App) ACOMSetPower(on bool) error {
+	if a.acom == nil {
+		return fmt.Errorf("ACOM amplifier not connected — enable it in Settings → Amplifier")
+	}
+	if on {
+		return a.acom.PowerOn()
+	}
+	return a.acom.PowerOff()
+}
+
 // GetPGXLStatus returns the amp's fan/connection state for the UI poll.
 func (a *App) GetPGXLStatus() powergenius.Status {
 	if a.pgxl == nil {

changelog.json

@@ -1,4 +1,20 @@
 [
+  {
+    "version": "0.20.7",
+    "date": "2026-07-21",
+    "en": [
+      "New: ACOM amplifier support (500S / 600S / 700S / 1200S / 2020S) — OPERATE/STANDBY/OFF, live telemetry (power, SWR, PA temperature, band, fan) in Settings and the radio panel, over USB serial or an RS232-to-Ethernet bridge. Power-ON works over serial when the cable wires the DTR/RTS pins. The Amplifier settings now pick Brand then Model.",
+      "Multi-operator live sync fixed: the shared-MySQL connection pool was too small, so after a while the grid, chat and 'stations on air' silently stopped updating. The pool is now sized for real multi-op use (with 5 operators it stays well within a max_connections=300 server).",
+      "Live operator status is now always published on a shared MySQL logbook — the Settings toggle is gone. You still go off-air automatically 5 minutes after your last QSO, and the 'stations on air' panel refreshes noticeably faster (a redundant table check on every read was removed).",
+      "The By-Continent statistics donut now totals the same as your QSO count — QSOs whose continent couldn't be resolved are shown as an 'Unknown' slice instead of being dropped (the Continents count still lists only real continents)."
+    ],
+    "fr": [
+      "Nouveau : prise en charge des amplificateurs ACOM (500S / 600S / 700S / 1200S / 2020S) — OPERATE/STANDBY/OFF, télémétrie en direct (puissance, ROS, température PA, bande, ventilateur) dans les Réglages et le panneau radio, en USB série ou via un pont RS232-vers-Ethernet. La mise en marche fonctionne en série si le câble relie les broches DTR/RTS. Les réglages Amplificateur se font maintenant par Marque puis Modèle.",
+      "Synchronisation multi-opérateurs corrigée : le pool de connexions MySQL partagé était trop petit, et au bout d'un moment la grille, le chat et « stations on air » cessaient silencieusement de se mettre à jour. Le pool est maintenant dimensionné pour un vrai multi-op (à 5 opérateurs, on reste largement sous un serveur à max_connections=300).",
+      "Le statut opérateur en direct est maintenant toujours publié sur un logbook MySQL partagé — l'option des Réglages a disparu. Vous passez toujours hors antenne automatiquement 5 minutes après votre dernier QSO, et le panneau « stations on air » se rafraîchit nettement plus vite (une vérification de table redondante à chaque lecture a été supprimée).",
+      "La donut « Par continent » des statistiques totalise maintenant le même nombre que le total de QSO — les QSO dont le continent n'a pas pu être résolu apparaissent dans un segment « Unknown » au lieu d'être ignorés (le compteur Continents ne liste toujours que les vrais continents)."
+    ]
+  },
   {
     "version": "0.20.6",
     "date": "2026-07-21",

frontend/src/App.tsx

@@ -42,7 +42,7 @@ import {
   QSOAudioBegin, QSOAudioCancel, QSOAudioRestart, QSOAudioResetClock,
   GetAwardDefs,
   GetUIPref, GetActiveProfile, QuitApp,
-  ReportLiveActivity, GetLiveStatusEnabled, LiveLastQSOAgeSec,
+  ReportLiveActivity, LiveLastQSOAgeSec,
 } from '../wailsjs/go/main/App';
 import { Combobox } from '@/components/ui/combobox';
 import { applyAwardRefs } from '@/lib/awardRefs';
@@ -1121,22 +1121,22 @@ export default function App() {
   useEffect(() => { if (!showSettings) setShowBeamOnMap(localStorage.getItem('opslog.showBeamOnMap') !== '0'); }, [showSettings]);
   // "ON AIR" status-bar badge: mirrors the multi-op live status this operator
   // publishes — online (blinking) when a QSO was logged in the last 5 min, else
-  // offline. Only shown when live-status publishing is enabled (Settings→General).
-  const [liveStatusOn, setLiveStatusOn] = useState(false);
+  // offline. Publishing is always on for a shared MySQL logbook (no user toggle:
+  // 5 min without a QSO removes the row automatically), so the badge simply
+  // follows the backend.
   const [onAir, setOnAir] = useState(false);
-  useEffect(() => { if (!showSettings) GetLiveStatusEnabled().then((v) => setLiveStatusOn(!!v)).catch(() => {}); }, [showSettings]);
   useEffect(() => {
     // Read the ON-AIR state straight from the backend (single source of truth:
     // liveLastQSOAt, stamped on every log and seeded from the DB at launch). Poll
     // it + refresh on each logged QSO — no fragile frontend timestamp to drift.
     const refresh = () => LiveLastQSOAgeSec()
-      .then((sec: number) => setOnAir(liveStatusOn && typeof sec === 'number' && sec >= 0 && sec < 300))
+      .then((sec: number) => setOnAir(typeof sec === 'number' && sec >= 0 && sec < 300))
       .catch(() => {});
     refresh();
     const off = EventsOn('qso:logged', refresh);
-    const id = window.setInterval(refresh, 5 * 1000); // responsive without hammering (cheap 400-row scan)
+    const id = window.setInterval(refresh, 5 * 1000); // responsive without hammering (single indexed row)
     return () => { off(); window.clearInterval(id); };
-  }, [liveStatusOn]);
+  }, []);
   // QSO-rate meter (10/60 min) in the header — opt-in via Settings→General.
   const [showQsoRate, setShowQsoRate] = useState(() => localStorage.getItem('opslog.showQsoRate') === '1');
   useEffect(() => { if (!showSettings) setShowQsoRate(localStorage.getItem('opslog.showQsoRate') === '1'); }, [showSettings]);
@@ -2147,39 +2147,45 @@ export default function App() {
     // Split the macro on <LOGQSO> so the log happens AT the token's position, not
     // only at the very end: "TU <LOGQSO> QRZ" sends "TU", logs, then sends "QRZ".
     // Each split boundary (every part except the last) is one <LOGQSO>.
-    const parts = rawText.split(/<LOGQSO>/i);
+    // RESOLVE every segment up front — while the form still holds the callsign — so a
+    // segment AFTER the <LOGQSO> (which logs and clears the form) still expands its
+    // variables correctly.
+    const parts = rawText.split(/<LOGQSO>/i).map((pt) => resolveCW(pt));
     const isRig = cwSourceRef.current === 'icom' || cwSourceRef.current === 'flex';
     for (let p = 0; p < parts.length; p++) {
       if (aborted()) return; // ESC / Stop before this segment → stop sending, don't log
-      const resolved = resolveCW(parts[p]);
+      const resolved = parts[p];
+      const isLast = p === parts.length - 1;
+      const logAfter = !isLast; // a <LOGQSO> follows this segment
       if (resolved) {
         // Trailing word space so back-to-back sends don't run together in the keyer
         // buffer ("CQ"+"TEST" → "CQTEST"); the keyer keys it as a word gap at the
         // current WPM, so it scales automatically.
         const keyed = resolved + ' ';
         setWkSent(resolved);
+        const sendFn = cwSourceRef.current === 'flex' ? FlexSendCW : cwSourceRef.current === 'icom' ? IcomSendCW : null;
+        if (sendFn) await sendFn(keyed).catch((e) => setError(String(e?.message ?? e)));
+        else await WinkeyerSend(keyed).catch((e) => setError(String(e?.message ?? e)));
+        // Only WAIT for the CW to finish on the FINAL segment — auto-call needs the
+        // send done before its gap+resend. A segment a <LOGQSO> follows is NOT waited
+        // on: the keyer has already buffered the CW, so logging happens AT ONCE and
+        // never interrupts what's being sent. (Gating the log on a CW-length ESTIMATE
+        // made <LOGQSO> log up to ~10s late when the estimate ran long.)
+        if (isLast) {
           if (isRig) {
-          // The rig keyer (Icom 0x17 / Flex CWX) gives no busy echo we track, so
-          // wait the ESTIMATED send duration before moving on / logging.
-          const sendFn = cwSourceRef.current === 'flex' ? FlexSendCW : IcomSendCW;
-          await sendFn(keyed).catch((e) => setError(String(e?.message ?? e)));
-          await waitMs(Math.round(estimateCwMs(resolved, wkWpm)) + (p < parts.length - 1 ? 200 : 600));
+            await waitMs(Math.round(estimateCwMs(resolved, wkWpm)) + 600);
           } else {
-          await WinkeyerSend(keyed).catch((e) => setError(String(e?.message ?? e)));
-          // Wait for the keyer to actually finish this segment before we log /
-          // continue. We'd like to watch busy rise then fall, but over a
-          // remote/serial-over-IP link that echo can lag tens of seconds, so cap
-          // the wait at the ESTIMATED send duration + slack: proceed when busy
-          // clears OR the estimate elapses, whichever comes first.
+            // WinKeyer: watch the busy echo, capped by the estimate (+slack) since
+            // over a remote/serial-over-IP link that echo can lag tens of seconds.
             const capMs = Math.round(estimateCwMs(resolved, wkWpm) * 1.4) + 2500;
             for (let i = 0; i < 20 && !wkBusyRef.current && !aborted(); i++) await sleep(50); // ≤1s to start
             const deadline = Date.now() + capMs;
             while (wkBusyRef.current && !aborted() && Date.now() < deadline) await sleep(50);
           }
         }
+      }
       if (aborted()) return; // aborted while this segment was sending → don't log
-      // A <LOGQSO> token follows every part except the last → log the contact here.
-      if (p < parts.length - 1) void save();
+      if (logAfter) void save(); // log NOW — the buffered CW keeps sending
     }
   }
   // stopAutoCall cancels any running auto-call loop.
@@ -3669,7 +3675,7 @@ export default function App() {
       case 'flex':
         return (
           <div className="h-full w-full min-h-0 rounded-lg overflow-hidden border border-border">
-            <FlexPanel onCWSpeed={(w) => { setWkWpm(w); WinkeyerSetSpeed(w).catch(() => {}); saveWk({ wpm: w }); }}
+            <FlexPanel onCWSpeed={(w) => { if (cwSourceRef.current === 'flex') setWkWpm(w); }}
               onReportRST={(r) => { setRstSent(r); rstUserEditedRef.current = true; }} />
           </div>
         );
@@ -4987,7 +4993,7 @@ export default function App() {
                 backend is a FlexRadio. */}
             {catState.backend === 'flex' && (
               <TabsContent value="flex" className="flex-1 min-h-0 p-0">
-                <FlexPanel onCWSpeed={(w) => { setWkWpm(w); WinkeyerSetSpeed(w).catch(() => {}); saveWk({ wpm: w }); }}
+                <FlexPanel onCWSpeed={(w) => { if (cwSourceRef.current === 'flex') setWkWpm(w); }}
               onReportRST={(r) => { setRstSent(r); rstUserEditedRef.current = true; }} />
               </TabsContent>
             )}
@@ -5116,7 +5122,7 @@ export default function App() {
               disabled={!rotatorHeading.enabled}
               onClick={() => { setSettingsSection('rotator'); setShowSettings(true); }}
             />
-            {liveStatusOn && (
+            {liveStationsOn && (
               <div
                 className={cn('inline-flex items-center gap-1.5 rounded-md border px-2 py-0.5 text-[11px] font-bold uppercase tracking-wider shrink-0 transition-colors',
                   onAir ? 'border-danger-border bg-danger-muted text-danger-muted-foreground' : 'border-border text-muted-foreground')}

frontend/src/components/FlexPanel.tsx

@@ -5,6 +5,7 @@ import {
   FlexSetProcessor, FlexSetProcessorLevel, FlexSetMon, FlexSetMonLevel, FlexSetMic,
   FlexMox, FlexAmpOperate,
   GetPGXLStatus, PGXLSetFanMode, GetPGXLSettings, GetSPEStatus, SPESetOperate, SPESetPower, SPESetPowerLevel,
+  GetACOMStatus, ACOMSetOperate, ACOMSetPower,
   FlexSetAGCMode, FlexSetAGCThreshold, FlexSetAudioLevel, FlexSetMute, FlexSetRXAntenna, FlexSetTXAntenna, FlexSetSplit, FlexSetActiveSlice, FlexSetTXSlice,
   FlexSetRIT, FlexSetRITFreq, FlexSetXIT, FlexSetXITFreq,
   FlexSetNB, FlexSetNBLevel, FlexSetNR, FlexSetNRLevel, FlexSetANF, FlexSetANFLevel,
@@ -288,6 +289,18 @@ export function FlexPanel({ onCWSpeed, onReportRST }: { onCWSpeed?: (wpm: number
   const { t } = useI18n();
   const [st, setSt] = useState<FlexState>(ZERO);
   const hold = useRef<Record<string, number>>({});
+  // Keep the host's keyer speed (used for CW-length estimates and the keyer panel)
+  // in step with the radio's ACTUAL CW speed — including when it's changed on the
+  // radio / in SmartSDR, not just via the slider below. Notify only on a real change.
+  const lastCwSpeed = useRef<number | null>(null);
+  useEffect(() => {
+    const w = st.cw_speed;
+    if (typeof w === 'number' && w > 0 && w !== lastCwSpeed.current) {
+      lastCwSpeed.current = w;
+      onCWSpeed?.(w);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [st.cw_speed]);
   // Peak-hold: keep the highest reading for ~2 s so the jittery VITA-49 meters
   // read steadily instead of jumping every poll.
   const peak = useRef<Record<string, { v: number; t: number }>>({});
@@ -340,7 +353,8 @@ export function FlexPanel({ onCWSpeed, onReportRST }: { onCWSpeed?: (wpm: number
     const id = window.setInterval(load, 5000);
     return () => { alive = false; window.clearInterval(id); };
   }, []);
-  const isSPE = ampEnabled && ampType !== 'pgxl';
+  const isACOM = ampEnabled && ampType.startsWith('acom');
+  const isSPE = ampEnabled && !isACOM && ampType !== 'pgxl';
   // SPE Expert live status (only polled when an SPE amp is configured).
   const [spe, setSpe] = useState<any>({ connected: false });
   useEffect(() => {
@@ -351,6 +365,16 @@ export function FlexPanel({ onCWSpeed, onReportRST }: { onCWSpeed?: (wpm: number
     const id = window.setInterval(tick, 1500);
     return () => { alive = false; window.clearInterval(id); };
   }, [isSPE]);
+  // ACOM live status (only polled when an ACOM amp is configured).
+  const [acom, setAcom] = useState<any>({ connected: false });
+  useEffect(() => {
+    if (!isACOM) return;
+    let alive = true;
+    const tick = () => GetACOMStatus().then((s: any) => alive && setAcom(s || { connected: false })).catch(() => {});
+    tick();
+    const id = window.setInterval(tick, 1500);
+    return () => { alive = false; window.clearInterval(id); };
+  }, [isACOM]);
 
   const change = (key: keyof FlexState, val: number | boolean | string, send: () => Promise<any>) => {
     hold.current[key] = Date.now() + 900;
@@ -860,10 +884,55 @@ export function FlexPanel({ onCWSpeed, onReportRST }: { onCWSpeed?: (wpm: number
           </Card>
         )}
 
+        {/* ACOM amplifier (serial/TCP) — shown when it's the configured amp. Driven
+            by OpsLog's own ACOM link (the Flex doesn't report ACOM amps). */}
+        {isACOM && (
+          <Card icon={Flame} title={`${t('flxp.amplifier')} · ACOM${acom.model ? ' ' + acom.model : ''}`} accent="#ea580c">
+            <div className="flex items-center gap-3 flex-wrap">
+              <button type="button" disabled={!acom.connected}
+                onClick={() => ACOMSetOperate(!acom.operate).catch(() => {})}
+                className={cn('px-4 py-2 rounded-lg text-sm font-extrabold tracking-wide border-2 transition-all disabled:opacity-30',
+                  acom.operate ? 'bg-warning text-warning-foreground border-warning shadow-[0_0_14px] shadow-warning/50' : 'bg-card text-warning border-warning hover:bg-warning-muted')}>
+                {acom.operate ? 'OPERATE' : 'STANDBY'}
+              </button>
+              {/* Power ON is a DTR/RTS pulse — serial only, and it works while the amp
+                  is off (the port stays open), so gate on port_open not connected. */}
+              <div className="inline-flex rounded-lg overflow-hidden border-2 border-success/70">
+                <button type="button" disabled={!(acom.port_open && acom.transport === 'serial')}
+                  onClick={() => ACOMSetPower(true).catch(() => {})}
+                  title={acom.transport === 'serial' ? 'Power on (DTR/RTS pulse — needs the power-on pins wired)' : 'Power-on needs the serial DTR/RTS lines — not available over a network bridge'}
+                  className="px-3 py-2 text-sm font-bold bg-card text-success hover:bg-success/15 disabled:opacity-30">ON</button>
+                <button type="button" disabled={!acom.connected}
+                  onClick={() => ACOMSetPower(false).catch(() => {})}
+                  className="px-3 py-2 text-sm font-bold bg-card text-danger border-l-2 border-success/70 hover:bg-danger/15 disabled:opacity-30">OFF</button>
+              </div>
+              <span className={cn('inline-flex items-center gap-1.5 text-sm', acom.connected ? 'text-muted-foreground' : 'text-danger')}>
+                <span className={cn('size-2 rounded-full', acom.connected ? 'bg-success' : 'bg-danger')} />
+                {acom.connected ? acom.state : t('flxp.acomOffline')}
+              </span>
+              {acom.connected && (
+                <span className="text-sm font-mono text-muted-foreground tabular-nums">
+                  {acom.band ? `${acom.band} · ` : ''}{acom.fwd_w}W · SWR {Number(acom.swr ?? 0).toFixed(1)} · {acom.temp_c}°C · Fan {acom.fan}
+                </span>
+              )}
+              <div className="flex-1" />
+              {acom.err_text && (
+                <span className="px-2 py-1 rounded bg-danger-muted text-danger-muted-foreground text-xs font-bold">⚠ {acom.err_text}</span>
+              )}
+            </div>
+            {acom.connected && (
+              <MeterBar label={t('flxp.outputPower')} value={Number(acom.fwd_w) || 0} unit="W"
+                lo={0} hi={Number(acom.max_w) || 800}
+                display={`${Number(acom.fwd_w) || 0} W`}
+                segColor={(f) => (f > 0.9 ? '#dc2626' : f > 0.75 ? '#f59e0b' : '#ea580c')} />
+            )}
+          </Card>
+        )}
+
         {/* External amplifier (PowerGenius XL) — only when the Flex reports one AND
-            PowerGenius is the selected amp type. Running an SPE Expert hides this
-            Flex-reported card so the two amps don't both show. */}
-        {st.amp_available && !isSPE && (
+            PowerGenius is the selected amp type. Running an SPE Expert or ACOM hides
+            this Flex-reported card so two amps don't both show. */}
+        {st.amp_available && !isSPE && !isACOM && (
           <Card icon={Flame} title={`${t('flxp.amplifier')}${st.amp_model ? ' · ' + st.amp_model : ''}`} accent="#ea580c">
             <div className="flex items-center gap-3">
               <button type="button" disabled={off}

frontend/src/components/SettingsModal.tsx

@@ -13,7 +13,7 @@ import {
   GetRotatorSettings, SaveRotatorSettings, TestRotator, RotatorPark, RotatorStop,
   GetUltrabeamSettings, SaveUltrabeamSettings, TestUltrabeam,
   GetAntGeniusSettings, SaveAntGeniusSettings,
-  GetPGXLSettings, SavePGXLSettings, GetSPEStatus, SPESetOperate,
+  GetPGXLSettings, SavePGXLSettings, GetSPEStatus, SPESetOperate, GetACOMStatus, ACOMSetOperate,
   GetWinkeyerSettings, SaveWinkeyerSettings, ListSerialPorts,
   GetAudioSettings, SaveAudioSettings, ListAudioInputDevices, ListAudioOutputDevices, PickAudioFolder, TestPTT,
   GetClublogCtyInfo, SetClublogCtyEnabled, DownloadClublogCty,
@@ -32,7 +32,6 @@ import {
   GetMySQLSettings, SaveMySQLSettings, TestMySQLConnection, GetDBBackendStatus,
   GetAutostartPrograms, SaveAutostartPrograms, BrowseExecutable, LaunchAutostartProgram,
   GetTelemetryEnabled, SetTelemetryEnabled,
-  GetLiveStatusEnabled, SetLiveStatusEnabled,
   GetQSLDefaults, SaveQSLDefaults,
   GetExternalServices, SaveExternalServices, TestQRZUpload, TestClublogUpload, TestHRDLogUpload, TestEQSLUpload,
   GetPOTAToken, SavePOTAToken,
@@ -566,26 +565,6 @@ function TelemetryToggle() {
   );
 }
 
-// LiveStatusToggle publishes this operator's current activity (call + band +
-// freq + mode) to the shared MySQL `live_status` table every ~15s, for multi-op
-// events — a small web script on your server renders it for the QRZ page. Only
-// useful on a MySQL logbook. Self-contained component (owns its async state).
-function LiveStatusToggle() {
-  const { t } = useI18n();
-  const [on, setOn] = useState(false);
-  const [loaded, setLoaded] = useState(false);
-  useEffect(() => {
-    GetLiveStatusEnabled().then((v) => setOn(!!v)).catch(() => {}).finally(() => setLoaded(true));
-  }, []);
-  return (
-    <label className="flex items-center gap-2 text-sm cursor-pointer">
-      <Checkbox checked={on} disabled={!loaded}
-        onCheckedChange={(c) => { const v = !!c; setOn(v); SetLiveStatusEnabled(v).catch(() => {}); }} />
-      {t('settings.liveStatus')} <span className="text-xs text-muted-foreground">({t('settings.liveStatusHint')})</span>
-    </label>
-  );
-}
-
 // ADIFMonitorPanel watches a list of external ADIF files (fldigi RTTY, N1MM,
 // VarAC…) and auto-imports newly appended QSOs — deliberately option-free: a
 // contact that arrives is imported and uploaded automatically like any log entry.
@@ -691,6 +670,47 @@ function SPEStatusCard() {
     </div>
   );
 }
+// Live ACOM amplifier status + OPERATE/STANDBY. Module-scoped for the same
+// remount reason as SPEStatusCard. Polls once a second while shown.
+function ACOMStatusCard() {
+  const [st, setSt] = useState<any>({ connected: false });
+  useEffect(() => {
+    let alive = true;
+    const tick = () => GetACOMStatus().then((s) => alive && setSt(s || {})).catch(() => {});
+    tick();
+    const id = window.setInterval(tick, 1000);
+    return () => { alive = false; window.clearInterval(id); };
+  }, []);
+  const operate = !!st.operate;
+  return (
+    <div className="rounded-md border border-border p-3 space-y-2 text-xs max-w-xl">
+      <div className="flex items-center gap-2">
+        <span className={cn('size-2 rounded-full', st.connected ? 'bg-success animate-pulse' : 'bg-danger')} />
+        <span className="font-semibold">{st.connected ? `ACOM ${st.model || ''}` : `ACOM ${st.model || ''} — not connected`}</span>
+        {!st.connected && st.last_error && <span className="text-danger truncate text-[10px]">{st.last_error}</span>}
+        <span className="flex-1" />
+        <Button size="sm" variant={operate ? 'default' : 'outline'} disabled={!st.connected}
+          onClick={() => ACOMSetOperate(!operate).catch(() => {})}
+          title="Toggle OPERATE / STANDBY">
+          {operate ? 'OPERATE' : 'STANDBY'}
+        </Button>
+      </div>
+      {st.connected && (
+        <div className="grid grid-cols-4 gap-x-3 gap-y-1 font-mono text-[11px]">
+          <div>{st.state}</div>
+          <div>Band {st.band || '—'}</div>
+          <div>{st.fwd_w} W</div>
+          <div>SWR {Number(st.swr ?? 0).toFixed(2)}</div>
+          <div>Refl {st.refl_w} W</div>
+          <div>Drive {st.drive_w} W</div>
+          <div>{st.temp_c}°C</div>
+          <div>Fan {st.fan}</div>
+          {st.err_text && <div className="col-span-4 text-warning">⚠ {st.err_text} ({st.err_code})</div>}
+        </div>
+      )}
+    </div>
+  );
+}
 function RelayAutoPanel() {
   const { t } = useI18n();
   const [enabled, setEnabled] = useState(false);
@@ -2690,7 +2710,32 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
 
   function PGXLPanelSettings() {
     const isPGXL = pgxl.type === 'pgxl';
+    const isACOM = (pgxl.type || '').startsWith('acom');
     const isSerial = pgxl.transport === 'serial';
+    // The stored `type` stays the single flat value ("spe13", "acom700", "pgxl" —
+    // binding compatibility); the UI presents it as brand + model.
+    const brand = isPGXL ? 'pgxl' : isACOM ? 'acom' : 'spe';
+    const brandModels: Record<string, { value: string; label: string }[]> = {
+      spe: [
+        { value: 'spe13', label: 'Expert 1.3K-FA' },
+        { value: 'spe15', label: 'Expert 1.5K-FA' },
+        { value: 'spe2k', label: 'Expert 2K-FA' },
+      ],
+      acom: [
+        { value: 'acom500', label: '500S' },
+        { value: 'acom600', label: '600S' },
+        { value: 'acom700', label: '700S' },
+        { value: 'acom1200', label: '1200S' },
+        { value: 'acom2020', label: '2020S' },
+      ],
+    };
+    // Each family has a fixed serial speed: SPE talks 115200, the ACOM S-series is
+    // 9600 8N1 — preset it so switching brand just works. PGXL is TCP-only.
+    const applyType = (v: string) => setPgxl((s) => ({
+      ...s, type: v,
+      transport: v === 'pgxl' ? 'tcp' : s.transport,
+      baud: v.startsWith('acom') ? 9600 : v.startsWith('spe') ? 115200 : s.baud,
+    }));
     return (
       <>
         <SectionHeader title="Amplifier" />
@@ -2700,21 +2745,44 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
             Enable amplifier control
           </label>
 
-          <div className="grid grid-cols-2 gap-3">
+          {/* Connection gets the widest column — "Network (RS232-to-Ethernet)" was
+              truncated with 3 equal columns. */}
+          <div className="grid grid-cols-[1fr_1fr_1.7fr] gap-3">
             <div className="space-y-1">
-              <Label>Amplifier</Label>
-              <Select value={pgxl.type} onValueChange={(v) => setPgxl((s) => ({ ...s, type: v, transport: v === 'pgxl' ? 'tcp' : s.transport }))}>
+              <Label>Brand</Label>
+              <Select value={brand} onValueChange={(b) => {
+                if (b === brand) return;
+                applyType(b === 'pgxl' ? 'pgxl' : brandModels[b][0].value);
+              }}>
                 <SelectTrigger className="h-9"><SelectValue /></SelectTrigger>
                 <SelectContent>
-                  <SelectItem value="pgxl">4O3A PowerGenius XL</SelectItem>
-                  <SelectItem value="spe13">SPE Expert 1.3K-FA</SelectItem>
-                  <SelectItem value="spe15">SPE Expert 1.5K-FA</SelectItem>
-                  <SelectItem value="spe2k">SPE Expert 2K-FA</SelectItem>
+                  <SelectItem value="pgxl">4O3A</SelectItem>
+                  <SelectItem value="spe">SPE</SelectItem>
+                  <SelectItem value="acom">ACOM</SelectItem>
                 </SelectContent>
               </Select>
             </div>
-            {/* PowerGenius is TCP-only; SPE amps connect over USB serial or an
-                RS232-to-Ethernet bridge, so they offer both. */}
+            <div className="space-y-1">
+              <Label>Model</Label>
+              {isPGXL ? (
+                // The PowerGenius is the brand's single model — fixed, no choice.
+                <Select value="pgxl" disabled>
+                  <SelectTrigger className="h-9"><SelectValue /></SelectTrigger>
+                  <SelectContent>
+                    <SelectItem value="pgxl">PowerGenius XL</SelectItem>
+                  </SelectContent>
+                </Select>
+              ) : (
+                <Select value={pgxl.type} onValueChange={applyType}>
+                  <SelectTrigger className="h-9"><SelectValue /></SelectTrigger>
+                  <SelectContent>
+                    {brandModels[brand].map((m) => <SelectItem key={m.value} value={m.value}>{m.label}</SelectItem>)}
+                  </SelectContent>
+                </Select>
+              )}
+            </div>
+            {/* PowerGenius is TCP-only; SPE and ACOM amps connect over USB serial or
+                an RS232-to-Ethernet bridge, so they offer both. */}
             {!isPGXL && (
               <div className="space-y-1">
                 <Label>Connection</Label>
@@ -2767,12 +2835,17 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
             </div>
           )}
 
-          {!isPGXL && pgxl.enabled && <SPEStatusCard />}
-          {!isPGXL && (
+          {!isPGXL && pgxl.enabled && (isACOM ? <ACOMStatusCard /> : <SPEStatusCard />)}
+          {!isPGXL && !isACOM && (
             <p className="text-[10px] text-muted-foreground">
               SPE control uses the amplifier's proprietary serial protocol (OPERATE toggle + live status). Save to (re)connect. Band / power-level / antenna are still managed on the amp from the transceiver CAT.
             </p>
           )}
+          {isACOM && (
+            <p className="text-[10px] text-muted-foreground">
+              ACOM control uses the amplifier's serial protocol (9600 8N1): OPERATE / STANDBY / OFF + live telemetry. Save to (re)connect. Power-ON needs the serial DTR/RTS pins wired in the cable (not available over a network bridge). Band tracking stays on the amp itself.
+            </p>
+          )}
         </div>
       </>
     );
@@ -4515,7 +4588,6 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
             {t('gen.checkUpdates')} <span className="text-xs text-muted-foreground">{t('gen.checkUpdatesHint')}</span>
           </label>
           <TelemetryToggle />
-          <LiveStatusToggle />
 
           <MainViewPanes onChanged={onMainPaneChanged} flexAvailable={flexAvailable} icomAvailable={icomAvailable} />
 

frontend/src/lib/i18n.tsx

@@ -92,8 +92,6 @@ const en: Dict = {
   'settings.theme': 'Theme', 'settings.themeHint': 'Interface colour theme.',
   'settings.telemetry': 'Send anonymous usage statistics',
   'settings.telemetryHint': 'install ID + version + OS, once a day — no callsign or QSO data',
-  'settings.liveStatus': 'Publish live operator status',
-  'settings.liveStatusHint': 'multi-op on shared MySQL — feeds a QRZ live page',
   'settings.mainView': 'Main view',
   'settings.mainViewHint': 'Choose what the Main tab shows on each side (per profile).',
   'settings.leftPane': 'Left pane', 'settings.rightPane': 'Right pane',
@@ -283,7 +281,7 @@ const en: Dict = {
   'agp.portDeselect': 'Port {letter} — click to deselect', 'agp.portSelect': 'Select on port {letter}', 'agp.online': 'online', 'agp.offline': 'offline', 'agp.close': 'Close', 'agp.connecting': 'Connecting…', 'agp.noAntennas': 'No antennas configured.', 'agp.filterOnHint': 'Showing antennas for {band} only — click to show all bands', 'agp.filterOffHint': 'Showing all antennas — click to show only the current band',
   'flxp.ritHint': 'RIT — shifts your RECEIVE frequency only. Wheel, ± or arrow keys to adjust (Ctrl = 100 Hz). The offset is kept when you switch it off.', 'flxp.xitHint': 'XIT — shifts your TRANSMIT frequency only. Wheel, ± or arrow keys to adjust (Ctrl = 100 Hz). The offset is kept when you switch it off.',
   'flxp.smartsdrRemote': 'SmartSDR remote control', 'flxp.offline': 'OFFLINE', 'flxp.waiting': 'Waiting for the FlexRadio… (set CAT to FlexRadio and connect)', 'flxp.transmit': 'Transmit', 'flxp.rfPower': 'RF Power', 'flxp.tunePwr': 'Tune Pwr', 'flxp.splitHint': 'Split: RX/TX on separate slices. ON creates a TX slice +1 kHz (CW) / +5 kHz (SSB) up, like SmartSDR.', 'flxp.sliceHint': 'Click to make this the active slice — frequency, mode, DSP and spot-clicks all follow it.', 'flxp.txSlice': 'This slice transmits', 'flxp.setTxSlice': 'Move TX to this slice (transmit here)', 'flxp.voxDly': 'VOX Dly', 'flxp.speed': 'Speed', 'flxp.pitch': 'Pitch', 'flxp.delay': 'Delay',
-  'flxp.receiveActive': 'Receive (active slice)', 'flxp.muted': 'Muted — click to unmute', 'flxp.mute': 'Mute RX audio', 'flxp.filter': 'Filter', 'flxp.amplifier': 'Amplifier', 'flxp.ampInLine': 'Amplifier is in line (transmitting through PA).', 'flxp.ampBypassed': 'Amplifier bypassed (standby).', 'flxp.pgConnected': 'PowerGenius connected', 'flxp.pgOffline': 'PowerGenius offline', 'flxp.fan': 'Fan', 'flxp.fanStandard': 'Standard', 'flxp.fanContest': 'Contest', 'flxp.fanBroadcast': 'Broadcast', 'flxp.fault': 'FAULT', 'flxp.meters': 'Meters', 'flxp.voltage': 'VOLTAGE', 'flxp.paTemp': 'PA TEMP', 'flxp.txFilter': 'TX filter', 'flxp.micProfile': 'Mic profile', 'flxp.noMeters': "No meters yet — waiting for the radio's UDP stream…", 'flxp.amplifierHdr': 'AMPLIFIER', 'flxp.outputPower': 'OUTPUT POWER', 'flxp.speOffline': 'SPE offline',
+  'flxp.receiveActive': 'Receive (active slice)', 'flxp.muted': 'Muted — click to unmute', 'flxp.mute': 'Mute RX audio', 'flxp.filter': 'Filter', 'flxp.amplifier': 'Amplifier', 'flxp.ampInLine': 'Amplifier is in line (transmitting through PA).', 'flxp.ampBypassed': 'Amplifier bypassed (standby).', 'flxp.pgConnected': 'PowerGenius connected', 'flxp.pgOffline': 'PowerGenius offline', 'flxp.fan': 'Fan', 'flxp.fanStandard': 'Standard', 'flxp.fanContest': 'Contest', 'flxp.fanBroadcast': 'Broadcast', 'flxp.fault': 'FAULT', 'flxp.meters': 'Meters', 'flxp.voltage': 'VOLTAGE', 'flxp.paTemp': 'PA TEMP', 'flxp.txFilter': 'TX filter', 'flxp.micProfile': 'Mic profile', 'flxp.noMeters': "No meters yet — waiting for the radio's UDP stream…", 'flxp.amplifierHdr': 'AMPLIFIER', 'flxp.outputPower': 'OUTPUT POWER', 'flxp.speOffline': 'SPE offline', 'flxp.acomOffline': 'ACOM offline',
   'icmp.spectrum': 'Spectrum', 'icmp.scopeFixed': 'Fixed — double-click / wheel to tune', 'icmp.scopeCenter': 'Center — follows VFO', 'icmp.scopeOff': 'Scope off', 'icmp.scopePanDown': 'Shift scope −50 kHz', 'icmp.scopePanUp': 'Shift scope +50 kHz', 'icmp.scopeCenterVfo': 'Center scope on the current frequency (±50 kHz)', 'icmp.notConnected': "Icom not connected. Enable the Icom CI-V backend in Settings → CAT and connect the radio's USB port.", 'icmp.refresh': 'Refresh', 'icmp.meters': 'Meters', 'icmp.transmit': 'Transmit', 'icmp.power': 'Power', 'icmp.mic': 'Mic', 'icmp.receive': 'Receive', 'icmp.preamp': 'Preamp', 'icmp.filter': 'Filter', 'icmp.noiseNotch': 'Noise / Notch', 'icmp.autoNotch': 'Auto notch filter', 'icmp.apf': 'Audio peak filter (CW)', 'icmp.clarifiers': 'RIT / ΔTX', 'icmp.ritHint': 'Wheel or ± to shift · Ctrl+←/→ shifts RIT when active', 'icmp.bandsAntenna': 'Bands & Antenna', 'icmp.antenna': 'Antenna', 'icmp.passband': 'Passband / Notch', 'icmp.pbtCenter': 'Center PBT', 'icmp.manualNotch': 'Manual notch — MN on, then set position', 'icmp.squelch': 'Squelch', 'icmp.powerOnHint': 'Power the radio ON (boots ~15 s)', 'icmp.powerOffHint': 'Power the radio OFF', 'icmp.powerOffConfirm': 'Switch the radio OFF?',
   'rst.clickToFill': 'Click to set RST tx from the signal',
   'qrz.openTitle': 'Open {call} on QRZ.com',
@@ -407,8 +405,6 @@ const fr: Dict = {
   'settings.theme': 'Thème', 'settings.themeHint': "Thème de couleur de l'interface.",
   'settings.telemetry': "Envoyer des statistiques d'usage anonymes",
   'settings.telemetryHint': "ID d'installation + version + OS, une fois par jour — aucun indicatif ni donnée QSO",
-  'settings.liveStatus': 'Publier le statut opérateur en direct',
-  'settings.liveStatusHint': 'multi-op sur MySQL partagé — alimente une page live QRZ',
   'settings.mainView': 'Vue principale',
   'settings.mainViewHint': "Choisis ce que l'onglet Principal affiche de chaque côté (par profil).",
   'settings.leftPane': 'Volet gauche', 'settings.rightPane': 'Volet droit',
@@ -581,7 +577,7 @@ const fr: Dict = {
   'agp.portDeselect': 'Port {letter} — clic pour désélectionner', 'agp.portSelect': 'Sélectionner sur le port {letter}', 'agp.online': 'en ligne', 'agp.offline': 'hors ligne', 'agp.close': 'Fermer', 'agp.connecting': 'Connexion…', 'agp.noAntennas': 'Aucune antenne configurée.', 'agp.filterOnHint': 'Antennes du {band} uniquement — clic pour afficher toutes les bandes', 'agp.filterOffHint': 'Toutes les antennes affichées — clic pour n’afficher que la bande courante',
   'flxp.ritHint': "RIT — décale uniquement ta fréquence de RÉCEPTION. Molette, ± ou flèches pour ajuster (Ctrl = 100 Hz). Le décalage est conservé quand tu l'éteins.", 'flxp.xitHint': "XIT — décale uniquement ta fréquence d'ÉMISSION. Molette, ± ou flèches pour ajuster (Ctrl = 100 Hz). Le décalage est conservé quand tu l'éteins.",
   'flxp.smartsdrRemote': 'Contrôle à distance SmartSDR', 'flxp.offline': 'HORS LIGNE', 'flxp.waiting': 'En attente du FlexRadio… (règle le CAT sur FlexRadio et connecte)', 'flxp.transmit': 'Émission', 'flxp.rfPower': 'Puissance RF', 'flxp.tunePwr': 'Puiss. TUNE', 'flxp.splitHint': 'Split : RX/TX sur des slices séparées. ON crée une slice TX +1 kHz (CW) / +5 kHz (SSB) au-dessus, comme SmartSDR.', 'flxp.sliceHint': 'Cliquer pour rendre cette slice active — fréquence, mode, DSP et clics de spot la suivent tous.', 'flxp.txSlice': 'Cette slice émet', 'flxp.setTxSlice': 'Déplacer le TX sur cette slice (émettre ici)', 'flxp.voxDly': 'Délai VOX', 'flxp.speed': 'Vitesse', 'flxp.pitch': 'Tonalité', 'flxp.delay': 'Délai',
-  'flxp.receiveActive': 'Réception (slice active)', 'flxp.muted': 'Coupé — clic pour rétablir', 'flxp.mute': "Couper l'audio RX", 'flxp.filter': 'Filtre', 'flxp.amplifier': 'Amplificateur', 'flxp.ampInLine': 'Amplificateur en ligne (émission via le PA).', 'flxp.ampBypassed': 'Amplificateur en bypass (standby).', 'flxp.pgConnected': 'PowerGenius connecté', 'flxp.pgOffline': 'PowerGenius hors ligne', 'flxp.fan': 'Ventilo', 'flxp.fanStandard': 'Standard', 'flxp.fanContest': 'Contest', 'flxp.fanBroadcast': 'Diffusion', 'flxp.fault': 'DÉFAUT', 'flxp.meters': 'Mesures', 'flxp.voltage': 'TENSION', 'flxp.paTemp': 'TEMP PA', 'flxp.txFilter': 'Filtre TX', 'flxp.micProfile': 'Profil micro', 'flxp.noMeters': 'Aucune mesure — en attente du flux UDP de la radio…', 'flxp.amplifierHdr': 'AMPLIFICATEUR', 'flxp.outputPower': 'PUISSANCE DE SORTIE', 'flxp.speOffline': 'SPE hors ligne',
+  'flxp.receiveActive': 'Réception (slice active)', 'flxp.muted': 'Coupé — clic pour rétablir', 'flxp.mute': "Couper l'audio RX", 'flxp.filter': 'Filtre', 'flxp.amplifier': 'Amplificateur', 'flxp.ampInLine': 'Amplificateur en ligne (émission via le PA).', 'flxp.ampBypassed': 'Amplificateur en bypass (standby).', 'flxp.pgConnected': 'PowerGenius connecté', 'flxp.pgOffline': 'PowerGenius hors ligne', 'flxp.fan': 'Ventilo', 'flxp.fanStandard': 'Standard', 'flxp.fanContest': 'Contest', 'flxp.fanBroadcast': 'Diffusion', 'flxp.fault': 'DÉFAUT', 'flxp.meters': 'Mesures', 'flxp.voltage': 'TENSION', 'flxp.paTemp': 'TEMP PA', 'flxp.txFilter': 'Filtre TX', 'flxp.micProfile': 'Profil micro', 'flxp.noMeters': 'Aucune mesure — en attente du flux UDP de la radio…', 'flxp.amplifierHdr': 'AMPLIFICATEUR', 'flxp.outputPower': 'PUISSANCE DE SORTIE', 'flxp.speOffline': 'SPE hors ligne', 'flxp.acomOffline': 'ACOM hors ligne',
   'icmp.spectrum': 'Spectre', 'icmp.scopeFixed': 'Fixe — double-clic / molette pour accorder', 'icmp.scopeCenter': 'Centré — suit le VFO', 'icmp.scopeOff': 'Scope éteint', 'icmp.scopePanDown': 'Décaler le scope −50 kHz', 'icmp.scopePanUp': 'Décaler le scope +50 kHz', 'icmp.scopeCenterVfo': 'Centrer le scope sur la fréquence actuelle (±50 kHz)', 'icmp.notConnected': 'Icom non connecté. Active le backend CI-V Icom dans Réglages → CAT et connecte le port USB de la radio.', 'icmp.refresh': 'Rafraîchir', 'icmp.meters': 'Mesures', 'icmp.transmit': 'Émission', 'icmp.power': 'Puissance', 'icmp.mic': 'Micro', 'icmp.receive': 'Réception', 'icmp.preamp': 'Préampli', 'icmp.filter': 'Filtre', 'icmp.noiseNotch': 'Bruit / Notch', 'icmp.autoNotch': 'Filtre notch auto', 'icmp.apf': 'Filtre de pic audio (CW)', 'icmp.clarifiers': 'RIT / ΔTX', 'icmp.ritHint': 'Molette ou ± pour décaler · Ctrl+←/→ décale le RIT si actif', 'icmp.bandsAntenna': 'Bandes & Antenne', 'icmp.antenna': 'Antenne', 'icmp.passband': 'Passe-bande / Notch', 'icmp.pbtCenter': 'Centrer PBT', 'icmp.manualNotch': 'Notch manuel — active MN, puis règle la position', 'icmp.squelch': 'Squelch', 'icmp.powerOnHint': 'Allumer la radio (démarre en ~15 s)', 'icmp.powerOffHint': 'Éteindre la radio', 'icmp.powerOffConfirm': 'Éteindre la radio ?',
   'rst.clickToFill': 'Clic pour remplir le RST tx depuis le signal',
   'qrz.openTitle': 'Ouvrir {call} sur QRZ.com',

frontend/src/version.ts

@@ -1,6 +1,6 @@
 // Single source of truth for the app version shown in the UI (header + About).
 // Bump this on a release (the release script updates it alongside telemetry.go).
-export const APP_VERSION = '0.20.6';
+export const APP_VERSION = '0.20.7';
 
 // Author / credits, shown in Help -> About.
 export const APP_AUTHOR = 'F4BPO';

frontend/wailsjs/go/main/App.d.ts

@@ -5,6 +5,7 @@ import {qso} from '../models';
 import {main} from '../models';
 import {cat} from '../models';
 import {profile} from '../models';
+import {acom} from '../models';
 import {antgenius} from '../models';
 import {award} from '../models';
 import {awardref} from '../models';
@@ -23,6 +24,10 @@ import {lotwusers} from '../models';
 import {lookup} from '../models';
 import {netctl} from '../models';
 
+export function ACOMSetOperate(arg1:boolean):Promise<void>;
+
+export function ACOMSetPower(arg1:boolean):Promise<void>;
+
 export function ADIFFields():Promise<Array<adif.FieldDef>>;
 
 export function ADIFVersion():Promise<string>;
@@ -289,6 +294,8 @@ export function FlexStopCW():Promise<void>;
 
 export function FlexTune(arg1:boolean):Promise<void>;
 
+export function GetACOMStatus():Promise<acom.Status>;
+
 export function GetADIFMonitor():Promise<main.ADIFMonitorConfig>;
 
 export function GetActiveProfile():Promise<profile.Profile>;
@@ -365,8 +372,6 @@ export function GetListsSettings():Promise<main.ListsSettings>;
 
 export function GetLiveStations():Promise<Array<main.LiveStation>>;
 
-export function GetLiveStatusEnabled():Promise<boolean>;
-
 export function GetLoTWUsersStatus():Promise<main.LoTWUsersStatus>;
 
 export function GetLogFilePath():Promise<string>;
@@ -813,8 +818,6 @@ export function SetCompactMode(arg1:boolean):Promise<void>;
 
 export function SetDVKLabel(arg1:number,arg2:string):Promise<void>;
 
-export function SetLiveStatusEnabled(arg1:boolean):Promise<void>;
-
 export function SetPassphrase(arg1:string):Promise<void>;
 
 export function SetTelemetryEnabled(arg1:boolean):Promise<void>;

frontend/wailsjs/go/main/App.js

@@ -2,6 +2,14 @@
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
 
+export function ACOMSetOperate(arg1) {
+  return window['go']['main']['App']['ACOMSetOperate'](arg1);
+}
+
+export function ACOMSetPower(arg1) {
+  return window['go']['main']['App']['ACOMSetPower'](arg1);
+}
+
 export function ADIFFields() {
   return window['go']['main']['App']['ADIFFields']();
 }
@@ -534,6 +542,10 @@ export function FlexTune(arg1) {
   return window['go']['main']['App']['FlexTune'](arg1);
 }
 
+export function GetACOMStatus() {
+  return window['go']['main']['App']['GetACOMStatus']();
+}
+
 export function GetADIFMonitor() {
   return window['go']['main']['App']['GetADIFMonitor']();
 }
@@ -686,10 +698,6 @@ export function GetLiveStations() {
   return window['go']['main']['App']['GetLiveStations']();
 }
 
-export function GetLiveStatusEnabled() {
-  return window['go']['main']['App']['GetLiveStatusEnabled']();
-}
-
 export function GetLoTWUsersStatus() {
   return window['go']['main']['App']['GetLoTWUsersStatus']();
 }
@@ -1582,10 +1590,6 @@ export function SetDVKLabel(arg1, arg2) {
   return window['go']['main']['App']['SetDVKLabel'](arg1, arg2);
 }
 
-export function SetLiveStatusEnabled(arg1) {
-  return window['go']['main']['App']['SetLiveStatusEnabled'](arg1);
-}
-
 export function SetPassphrase(arg1) {
   return window['go']['main']['App']['SetPassphrase'](arg1);
 }

frontend/wailsjs/go/models.ts

@@ -1,3 +1,58 @@
+export namespace acom {
+	
+	export class Status {
+	    connected: boolean;
+	    port_open: boolean;
+	    transport: string;
+	    last_error?: string;
+	    model?: string;
+	    state?: string;
+	    operate: boolean;
+	    tx: boolean;
+	    fwd_w: number;
+	    refl_w: number;
+	    swr: number;
+	    drive_w: number;
+	    dc_w: number;
+	    temp_c: number;
+	    band?: string;
+	    fan: number;
+	    err_code: number;
+	    err_text?: string;
+	    nominal_w: number;
+	    max_w: number;
+	
+	    static createFrom(source: any = {}) {
+	        return new Status(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.connected = source["connected"];
+	        this.port_open = source["port_open"];
+	        this.transport = source["transport"];
+	        this.last_error = source["last_error"];
+	        this.model = source["model"];
+	        this.state = source["state"];
+	        this.operate = source["operate"];
+	        this.tx = source["tx"];
+	        this.fwd_w = source["fwd_w"];
+	        this.refl_w = source["refl_w"];
+	        this.swr = source["swr"];
+	        this.drive_w = source["drive_w"];
+	        this.dc_w = source["dc_w"];
+	        this.temp_c = source["temp_c"];
+	        this.band = source["band"];
+	        this.fan = source["fan"];
+	        this.err_code = source["err_code"];
+	        this.err_text = source["err_text"];
+	        this.nominal_w = source["nominal_w"];
+	        this.max_w = source["max_w"];
+	    }
+	}
+
+}
+
 export namespace adif {
 	
 	export class ExportResult {

internal/acom/acom.go

@@ -0,0 +1,504 @@
+// Package acom drives the ACOM solid-state amplifiers (500S / 600S / 700S /
+// 1200S / 2020S) over their (unpublished) RS-232 protocol, reverse-engineered by
+// the ACOM-Controller project (bjornekelund, C#). The amp is reached either
+// directly over a serial COM port (9600 8N1) or over TCP via an RS232-to-Ethernet
+// bridge — both are just an io.ReadWriteCloser to this code, same as the SPE
+// backend.
+//
+// Wire format (host → amp): fixed raw byte strings, validated by the same rule as
+// telemetry (sum of ALL frame bytes ≡ 0 mod 256):
+//
+//	enable telemetry:  55 92 04 15
+//	disable telemetry: 55 91 04 16
+//	OPERATE:           55 81 08 02 00 06 00 1A
+//	STANDBY:           55 81 08 02 00 05 00 1B
+//	OFF (power down):  55 81 08 02 00 0A 00 16
+//
+// Power ON is NOT a data command: it is a hardware pulse on the serial DTR/RTS
+// lines (the amp's remote power-on pins) — serial transport only, and only if the
+// cable wires those pins (a telemetry-only cable uses just RX/TX/GND).
+//
+// IMPORTANT: DTR and RTS must be held LOW at all times otherwise — asserting them
+// permanently blocks the amplifier's front-panel power button.
+//
+// Telemetry (amp → host): once enabled, the amp streams 72-byte frames starting
+// 0x55 0x2F, valid when the sum of all 72 bytes ≡ 0 (mod 256). Field offsets are
+// decoded in decodeFrame below.
+package acom
+
+import (
+	"fmt"
+	"io"
+	"net"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"go.bug.st/serial"
+
+	"hamlog/internal/applog"
+)
+
+var (
+	cmdEnableTelemetry  = []byte{0x55, 0x92, 0x04, 0x15}
+	cmdDisableTelemetry = []byte{0x55, 0x91, 0x04, 0x16}
+	cmdOperate          = []byte{0x55, 0x81, 0x08, 0x02, 0x00, 0x06, 0x00, 0x1A}
+	cmdStandby          = []byte{0x55, 0x81, 0x08, 0x02, 0x00, 0x05, 0x00, 0x1B}
+	cmdOff              = []byte{0x55, 0x81, 0x08, 0x02, 0x00, 0x0A, 0x00, 0x16}
+)
+
+const (
+	frameLen    = 72
+	sync0       = 0x55
+	sync1       = 0x2F
+	dialTimeout = 5 * time.Second
+	ioTimeout   = 3 * time.Second
+	// The amp streams roughly 4-5 frames/s once telemetry is on; if nothing valid
+	// arrives for this long the link (or the amp) is considered down.
+	staleAfter = 5 * time.Second
+)
+
+// model carries the per-model constants: the temperature word offset and the
+// nominal/max forward power (for UI bar scaling).
+type model struct {
+	Name       string
+	TempOffset int
+	NominalW   int
+	MaxW       int
+}
+
+var models = map[string]model{
+	"500S":  {"500S", 282, 500, 600},
+	"600S":  {"600S", 273, 600, 700},
+	"700S":  {"700S", 282, 700, 800},
+	"1200S": {"1200S", 281, 1200, 1400},
+	"2020S": {"2020S", 282, 1800, 2000},
+}
+
+// paStatusNames maps the PAstatus nibble to a display string.
+var paStatusNames = map[int]string{
+	1: "RESET", 2: "INIT", 3: "DEBUG", 4: "SERVICE",
+	5: "STANDBY", 6: "RECEIVE", 7: "TRANSMIT", 9: "SYSTEM", 10: "OFF",
+}
+
+// acomBands maps the band nibble to a band label.
+var acomBands = []string{"?", "160m", "80m", "40/60m", "30m", "20m", "17m", "15m", "12m", "10m", "6m", "4m"}
+
+// errText translates the error code (frame byte 66) shown on the amp's display.
+// 0xFF means NO error — everything else, including 0x00, is a fault/warning.
+func errText(code int) string {
+	switch code {
+	case 0xFF:
+		return ""
+	case 0x00, 0x08:
+		return "Hot switching"
+	case 0x03:
+		return "Drive power at wrong time"
+	case 0x04, 0x05:
+		return "Reflected power warning"
+	case 0x06, 0x07:
+		return "Drive power too high"
+	case 0x0C:
+		return "RF power at wrong time"
+	case 0x0E:
+		return "Stop transmission first"
+	case 0x0F:
+		return "Remove drive power"
+	case 0x24, 0x25, 0x39, 0x44, 0x45, 0x59:
+		return "Excessive PAM current"
+	case 0x70:
+		return "CAT error"
+	default:
+		return "ERROR — see display"
+	}
+}
+
+// Status is the decoded amplifier state for the UI.
+type Status struct {
+	Connected bool    `json:"connected"` // valid telemetry is flowing
+	PortOpen  bool    `json:"port_open"` // transport is open (serial port / TCP socket) — power-on possible even when the amp itself is off
+	Transport string  `json:"transport"` // "serial" | "tcp" — the UI disables power-ON over tcp (no DTR line)
+	LastError string  `json:"last_error,omitempty"`
+	Model     string  `json:"model,omitempty"`
+	State     string  `json:"state,omitempty"` // STANDBY / RECEIVE / TRANSMIT / OFF / …
+	Operate   bool    `json:"operate"`         // RECEIVE or TRANSMIT (vs STANDBY)
+	TX        bool    `json:"tx"`
+	FwdW      int     `json:"fwd_w"`  // forward/output power
+	ReflW     int     `json:"refl_w"` // reflected power
+	SWR       float64 `json:"swr"`
+	DriveW    int     `json:"drive_w"`
+	DCPowerW  int     `json:"dc_w"`
+	TempC     int     `json:"temp_c"` // PA temperature
+	Band      string  `json:"band,omitempty"`
+	FanLevel  int     `json:"fan"`                // 1..4
+	ErrCode   int     `json:"err_code"`           // raw code from the frame; 0xFF = none
+	ErrText   string  `json:"err_text,omitempty"` // human message; empty = no error
+	NominalW  int     `json:"nominal_w"`
+	MaxW      int     `json:"max_w"`
+}
+
+// Config selects the transport and amplifier model.
+type Config struct {
+	Model     string // "500S" | "600S" | "700S" | "1200S" | "2020S"
+	Transport string // "serial" | "tcp"
+	ComPort   string // serial
+	Baud      int    // serial (the amp is fixed 9600 8N1)
+	Host      string // tcp (RS232-to-Ethernet bridge)
+	Port      int    // tcp
+}
+
+type Client struct {
+	cfg Config
+	mdl model
+
+	mu   sync.Mutex // serialises access to the connection
+	conn io.ReadWriteCloser
+
+	statusMu sync.RWMutex
+	status   Status
+
+	// Diagnostics: raw byte count + first-bytes capture, so a hardware session log
+	// tells apart "nothing on the wire" (cable/COM/amp) from "bytes but no valid
+	// frame" (framing/checksum) without a serial sniffer.
+	rawSeen     int64
+	dbgBytes    []byte
+	dbgLogged   bool
+	ckFails     int
+	frameLogged bool
+
+	stop    chan struct{}
+	running bool
+}
+
+func New(cfg Config) *Client {
+	if cfg.Baud <= 0 {
+		cfg.Baud = 9600
+	}
+	mdl, ok := models[strings.ToUpper(strings.TrimSpace(cfg.Model))]
+	if !ok {
+		mdl = models["700S"]
+	}
+	c := &Client{cfg: cfg, mdl: mdl, stop: make(chan struct{})}
+	c.status.Model = mdl.Name
+	c.status.Transport = cfg.Transport
+	c.status.NominalW = mdl.NominalW
+	c.status.MaxW = mdl.MaxW
+	return c
+}
+
+func (c *Client) Start() error {
+	if c.running {
+		return nil
+	}
+	c.running = true
+	go c.readLoop()
+	return nil
+}
+
+func (c *Client) Stop() {
+	if !c.running {
+		return
+	}
+	c.running = false
+	close(c.stop)
+	c.mu.Lock()
+	if c.conn != nil {
+		_, _ = c.conn.Write(cmdDisableTelemetry) // best effort: stop the stream
+	}
+	c.dropLocked()
+	c.mu.Unlock()
+}
+
+func (c *Client) GetStatus() Status {
+	c.statusMu.RLock()
+	defer c.statusMu.RUnlock()
+	return c.status
+}
+
+func (c *Client) setErr(msg string) {
+	c.statusMu.Lock()
+	c.status.Connected = false
+	c.status.LastError = msg
+	c.statusMu.Unlock()
+}
+
+// Operate puts the amp in OPERATE (true) or STANDBY (false). Unlike the SPE's
+// single toggle key, the ACOM protocol has explicit commands for each state.
+func (c *Client) Operate(on bool) error {
+	if on {
+		return c.send(cmdOperate)
+	}
+	return c.send(cmdStandby)
+}
+
+// PowerOff sends the power-down command (same as pressing OFF on the amp).
+func (c *Client) PowerOff() error { return c.send(cmdOff) }
+
+// PowerOn pulses the serial DTR/RTS lines — the amp's remote power-on pins, wired
+// like a press of the front-panel power button. Hardware line ⇒ serial transport
+// only (an RS232-to-Ethernet bridge doesn't forward DTR), and the cable must have
+// those pins connected. Pulse length to be confirmed on real hardware.
+func (c *Client) PowerOn() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	sp, ok := c.conn.(serial.Port)
+	if !ok {
+		return fmt.Errorf("power-on needs the serial DTR/RTS lines — not available over a network bridge")
+	}
+	if err := sp.SetDTR(true); err != nil {
+		return err
+	}
+	if err := sp.SetRTS(true); err != nil {
+		_ = sp.SetDTR(false)
+		return err
+	}
+	time.Sleep(2500 * time.Millisecond)
+	err1 := sp.SetDTR(false)
+	err2 := sp.SetRTS(false)
+	if err1 != nil {
+		return err1
+	}
+	return err2
+}
+
+func (c *Client) send(cmd []byte) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if c.conn == nil {
+		return fmt.Errorf("not connected")
+	}
+	if nc, ok := c.conn.(net.Conn); ok {
+		_ = nc.SetWriteDeadline(time.Now().Add(ioTimeout))
+	}
+	_, err := c.conn.Write(cmd)
+	return err
+}
+
+// readLoop keeps the link up and consumes the telemetry stream. When no valid
+// frame arrives for a while it re-arms telemetry (the amp forgets the enable
+// across a power cycle) and, on TCP, reconnects. A serial port is kept open even
+// with the amp off, so the DTR power-on pulse stays available.
+func (c *Client) readLoop() {
+	var lastFrame time.Time
+	var lastEnable time.Time
+	for {
+		select {
+		case <-c.stop:
+			return
+		default:
+		}
+		if err := c.ensureConn(); err != nil {
+			c.setErr("connect: " + err.Error())
+			select {
+			case <-c.stop:
+				return
+			case <-time.After(2 * time.Second):
+			}
+			continue
+		}
+		frame, err := c.readFrame()
+		now := time.Now()
+		if err == nil {
+			lastFrame = now
+			if !c.frameLogged {
+				c.frameLogged = true
+				applog.Printf("acom: telemetry up — first valid frame received")
+			}
+			c.decodeFrame(frame)
+			continue
+		}
+		// No valid frame. Re-send the telemetry enable briskly — there is no way to
+		// know whether the amp has it on (the reference controller re-sends every
+		// 200ms until frames flow), and it revives the stream after a power cycle.
+		if now.Sub(lastEnable) >= 500*time.Millisecond {
+			lastEnable = now
+			_ = c.send(cmdEnableTelemetry)
+		}
+		if lastFrame.IsZero() || now.Sub(lastFrame) > staleAfter {
+			if c.cfg.Transport == "tcp" {
+				// The bridge socket may be dead — force a reconnect.
+				c.mu.Lock()
+				c.dropLocked()
+				c.mu.Unlock()
+			}
+			if prev := c.GetStatus(); prev.Connected || prev.LastError == "" {
+				applog.Printf("acom: no telemetry (raw bytes seen so far: %d, checksum fails: %d)", c.rawSeen, c.ckFails)
+			}
+			c.setErr("no telemetry — amplifier off or cable/bridge issue")
+		}
+	}
+}
+
+func (c *Client) ensureConn() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if c.conn != nil {
+		return nil
+	}
+	if c.cfg.Transport == "tcp" {
+		nc, err := net.DialTimeout("tcp", net.JoinHostPort(c.cfg.Host, strconv.Itoa(c.cfg.Port)), dialTimeout)
+		if err != nil {
+			return err
+		}
+		c.conn = nc
+	} else {
+		sp, err := serial.Open(c.cfg.ComPort, &serial.Mode{BaudRate: c.cfg.Baud})
+		if err != nil {
+			return err
+		}
+		// CRITICAL: hold DTR/RTS LOW. Windows may assert them on open, and while
+		// asserted the amp's front-panel power button is blocked (they are its
+		// remote power-on lines).
+		_ = sp.SetDTR(false)
+		_ = sp.SetRTS(false)
+		// Short read timeout so the frame reader can poll the stop channel and
+		// detect staleness rather than blocking forever.
+		_ = sp.SetReadTimeout(200 * time.Millisecond)
+		c.conn = sp
+	}
+	c.statusMu.Lock()
+	c.status.PortOpen = true
+	c.statusMu.Unlock()
+	applog.Printf("acom: %s link open (%s)", c.mdl.Name, c.cfg.Transport)
+	_, _ = c.conn.Write(cmdEnableTelemetry)
+	return nil
+}
+
+func (c *Client) dropLocked() {
+	if c.conn != nil {
+		c.conn.Close()
+		c.conn = nil
+	}
+	c.statusMu.Lock()
+	c.status.PortOpen = false
+	c.statusMu.Unlock()
+}
+
+// readByte reads a single byte, honouring the transport's short timeout. A serial
+// read that times out returns (0, nil) with go.bug.st/serial — mapped to an error
+// here so callers can distinguish "no data yet".
+var errNoData = fmt.Errorf("no data")
+
+func (c *Client) readByte(deadline time.Time) (byte, error) {
+	c.mu.Lock()
+	conn := c.conn
+	c.mu.Unlock()
+	if conn == nil {
+		return 0, fmt.Errorf("not connected")
+	}
+	buf := make([]byte, 1)
+	for {
+		if nc, ok := conn.(net.Conn); ok {
+			_ = nc.SetReadDeadline(time.Now().Add(300 * time.Millisecond))
+		}
+		n, err := conn.Read(buf)
+		if n == 1 {
+			c.rawSeen++
+			// Capture the first 144 raw bytes (~2 frames) once, so a session log shows
+			// what the wire actually carries when frames won't validate.
+			if !c.dbgLogged {
+				c.dbgBytes = append(c.dbgBytes, buf[0])
+				if len(c.dbgBytes) >= 144 {
+					c.dbgLogged = true
+					applog.Printf("acom: first raw bytes: % X", c.dbgBytes)
+					c.dbgBytes = nil
+				}
+			}
+			return buf[0], nil
+		}
+		if err != nil {
+			if ne, ok := err.(net.Error); ok && ne.Timeout() {
+				err = nil // treat like the serial short-timeout: just no data yet
+			} else {
+				return 0, err
+			}
+		}
+		select {
+		case <-c.stop:
+			return 0, fmt.Errorf("stopped")
+		default:
+		}
+		if time.Now().After(deadline) {
+			return 0, errNoData
+		}
+	}
+}
+
+// readFrame syncs on 0x55 0x2F, reads the rest of the 72-byte frame and verifies
+// the mod-256 checksum (sum of ALL 72 bytes ≡ 0).
+func (c *Client) readFrame() ([]byte, error) {
+	deadline := time.Now().Add(ioTimeout)
+	// Sync: hunt for 0x55 followed by 0x2F.
+	for {
+		b, err := c.readByte(deadline)
+		if err != nil {
+			return nil, err
+		}
+		if b != sync0 {
+			continue
+		}
+		b2, err := c.readByte(deadline)
+		if err != nil {
+			return nil, err
+		}
+		if b2 == sync1 {
+			break
+		}
+	}
+	frame := make([]byte, frameLen)
+	frame[0], frame[1] = sync0, sync1
+	for i := 2; i < frameLen; i++ {
+		b, err := c.readByte(deadline)
+		if err != nil {
+			return nil, err
+		}
+		frame[i] = b
+	}
+	var sum int
+	for _, b := range frame {
+		sum += int(b)
+	}
+	if sum%256 != 0 {
+		c.ckFails++
+		if c.ckFails <= 3 {
+			applog.Printf("acom: bad checksum (fail #%d): % X", c.ckFails, frame)
+		}
+		return nil, fmt.Errorf("bad checksum")
+	}
+	return frame, nil
+}
+
+// decodeFrame extracts the telemetry fields (see the package comment for the
+// reverse-engineered layout; 16-bit values are little-endian lo + hi*256).
+func (c *Client) decodeFrame(f []byte) {
+	u16 := func(i int) int { return int(f[i]) + int(f[i+1])*256 }
+	paStatus := int(f[3]&0xF0) >> 4
+	state := paStatusNames[paStatus]
+	if state == "" {
+		state = fmt.Sprintf("?%d", paStatus)
+	}
+	bandIdx := int(f[69] & 0x0F)
+	band := ""
+	if bandIdx > 0 && bandIdx < len(acomBands) {
+		band = acomBands[bandIdx]
+	}
+
+	c.statusMu.Lock()
+	defer c.statusMu.Unlock()
+	c.status.Connected = true
+	c.status.LastError = ""
+	c.status.State = state
+	c.status.Operate = paStatus == 6 || paStatus == 7
+	c.status.TX = paStatus == 7
+	c.status.DCPowerW = u16(8) / 10
+	c.status.TempC = u16(16) - c.mdl.TempOffset
+	c.status.DriveW = u16(20)
+	c.status.FwdW = u16(22)
+	c.status.ReflW = u16(24)
+	c.status.SWR = float64(u16(26)) / 100
+	c.status.ErrCode = int(f[66])
+	c.status.ErrText = errText(int(f[66]))
+	c.status.Band = band
+	c.status.FanLevel = int(f[69]&0xF0) >> 4
+}

internal/applog/applog.go

@@ -47,10 +47,15 @@ func Init(dataDir string) (string, error) {
 			_ = os.Rename(oldLog, logPath)
 		}
 	}
-	// Truncate if the file grew past ~5MB so we don't accumulate logs
-	// forever. We keep one file — simple and adequate for diagnostics.
-	if fi, err := os.Stat(logPath); err == nil && fi.Size() > 5*1024*1024 {
-		_ = os.Remove(logPath)
+	// Rotate (don't delete) once the file grows past ~10MB: rename it to
+	// opslog.log.1 so the PREVIOUS session's log survives. Deleting it outright used
+	// to erase exactly the diagnostics we needed when a user reported an issue from
+	// the session that just ended. One generation kept — enough, without unbounded growth.
+	if fi, err := os.Stat(logPath); err == nil && fi.Size() > 10*1024*1024 {
+		_ = os.Remove(logPath + ".1")     // drop the older generation
+		if err := os.Rename(logPath, logPath+".1"); err != nil {
+			_ = os.Remove(logPath) // rename failed (locked?) → fall back to the old behaviour
+		}
 	}
 	f, err := os.OpenFile(logPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
 	if err != nil {

internal/db/mysql.go

@@ -129,6 +129,28 @@ func translateTextColumns(s string) string {
 // OpenMySQL opens the shared MySQL logbook, creating the database if needed,
 // then applies the (translated) embedded migrations. multiStatements is enabled
 // so multi-statement migration files run in a single Exec.
+// tuneMySQLPool sizes the connection pool for a SHARED server. Two opposing needs:
+//   - A big per-instance pool (we shipped 50) let a handful of ops exhaust the
+//     server's global max_connections — "Error 1040: Too many connections".
+//   - Too SMALL a pool starves this instance's OWN concurrent UI queries — the live
+//     multi-op sync (revision poll every 2s + a 3-query grid refresh), live_status,
+//     chat, stats, cluster. Under real multi-op load, 8 and even 16 stalled: hot
+//     paths (WorkedBefore fires ~10 sequential round-trips; every poll uses the
+//     app-lifetime ctx with no per-query timeout) hold a connection for the whole
+//     chain of remote-MySQL latency, so a handful of concurrent UI bursts drained
+//     the pool and "after a while nothing updated" — grid, chat, live_status froze.
+// 40 fits the actual deployment (max 5 ops on a server with max_connections=300 →
+// 40*5 = 200, leaving ~100 for phpMyAdmin/server overhead). This is the per-INSTANCE
+// pool, so keep max_connections >= pool*ops + headroom.
+// Brisk idle reaping returns slots to the server; no max lifetime so a slow first
+// migration on one connection isn't reaped mid-run (drops the selected database).
+func tuneMySQLPool(conn *sql.DB) {
+	conn.SetMaxOpenConns(40)
+	conn.SetMaxIdleConns(8)
+	conn.SetConnMaxIdleTime(30 * time.Second)
+	conn.SetConnMaxLifetime(0)
+}
+
 func OpenMySQL(c MySQLConfig) (*sql.DB, error) {
 	if strings.TrimSpace(c.Host) == "" {
 		return nil, fmt.Errorf("host is required")
@@ -141,18 +163,7 @@ func OpenMySQL(c MySQLConfig) (*sql.DB, error) {
 	if err != nil {
 		return nil, fmt.Errorf("open mysql: %w", err)
 	}
-	// The UI fires bursts of concurrent queries (the Preferences dialog alone
-	// loads ~8 settings in parallel, plus the grid and live cluster status). A
-	// low cap turns such a burst into a deadlock-like stall against a remote
-	// server, so keep a generous pool with idle reaping. SQLite ran uncapped.
-	conn.SetMaxOpenConns(50)
-	conn.SetMaxIdleConns(10)
-	conn.SetConnMaxIdleTime(90 * time.Second)
-	// No max lifetime: a slow server's first migration can run for minutes on a
-	// single connection, and reaping it mid-migration drops the selected database
-	// (surfacing as "Unknown database"). Idle connections are still recycled
-	// after 90s, and the driver retries stale pooled connections.
-	conn.SetConnMaxLifetime(0)
+	tuneMySQLPool(conn)
 	// Connect DIRECTLY to the database first. Only if that fails — the DB doesn't
 	// exist yet (first-time setup) or the server is unreachable — do we pay for the
 	// server-level connect + CREATE DATABASE (two more handshakes). On a normal
@@ -167,10 +178,7 @@ func OpenMySQL(c MySQLConfig) (*sql.DB, error) {
 		if err != nil {
 			return nil, fmt.Errorf("open mysql: %w", err)
 		}
-		conn.SetMaxOpenConns(50)
-		conn.SetMaxIdleConns(10)
-		conn.SetConnMaxIdleTime(90 * time.Second)
-		conn.SetConnMaxLifetime(0)
+		tuneMySQLPool(conn)
 		if err := conn.Ping(); err != nil {
 			_ = conn.Close()
 			return nil, fmt.Errorf("connect to %s: %w", name, err)

internal/qso/qso.go

@@ -1954,24 +1954,22 @@ func (r *Repo) Count(ctx context.Context) (int64, error) {
 // operator who just worked someone before (re)starting OpsLog shows online right
 // away instead of waiting for their next QSO. Empty operator matches every QSO.
 func (r *Repo) LastQSOTime(ctx context.Context, operator string) (time.Time, bool) {
-	rows, err := r.db.QueryContext(ctx, `SELECT operator, qso_date FROM qso ORDER BY id DESC LIMIT 400`)
-	if err != nil {
-		return time.Time{}, false
-	}
-	defer rows.Close()
+	// ONE indexed row, not 400 filtered in Go: this runs every ~5 s (the ON-AIR
+	// badge) and ~15 s (live-status publish), so pulling 400 rows each time over a
+	// remote MySQL hammered the connection pool and, on a busy multi-op event, was a
+	// big part of "after a while nothing updates". Match the operator the same
+	// (case/space-insensitive) way, newest first.
 	opFilter := strings.ToUpper(strings.TrimSpace(operator))
-	for rows.Next() {
-		var oper, dateStr sql.NullString
-		if err := rows.Scan(&oper, &dateStr); err != nil {
-			return time.Time{}, false
-		}
-		if strings.ToUpper(strings.TrimSpace(oper.String)) != opFilter {
-			continue
+	var dateStr sql.NullString
+	err := r.db.QueryRowContext(ctx,
+		`SELECT qso_date FROM qso WHERE UPPER(TRIM(operator)) = ? AND qso_date IS NOT NULL AND qso_date <> '' ORDER BY id DESC LIMIT 1`,
+		opFilter).Scan(&dateStr)
+	if err != nil {
+		return time.Time{}, false // ErrNoRows or a real error — no known last QSO
 	}
 	if t := parseTimeLoose(dateStr.String).UTC(); !t.IsZero() {
 		return t, true
 	}
-	}
 	return time.Time{}, false
 }
 

internal/qso/stats.go

@@ -392,8 +392,13 @@ func (r *Repo) Stats(ctx context.Context, from, to time.Time, contestID string,
 		if st := strings.ToUpper(strings.TrimSpace(station.String)); st != "" {
 			stationC[st]++
 		}
+		// Bucket a blank/unknown continent under "Unknown" rather than dropping it,
+		// so the continent breakdown totals the same as the QSO count (a handful of
+		// QSOs with no resolved continent made the donut read a few short).
 		if c := strings.ToUpper(strings.TrimSpace(cont.String)); c != "" {
 			contC[c]++
+		} else {
+			contC["Unknown"]++
 		}
 		if c := strings.TrimSpace(country.String); c != "" {
 			entityC[c]++
@@ -436,6 +441,9 @@ func (r *Repo) Stats(ctx context.Context, from, to time.Time, contestID string,
 	s.UniqueCalls = len(calls)
 	s.Entities = len(entities)
 	s.Continents = len(contC)
+	if _, ok := contC["Unknown"]; ok {
+		s.Continents-- // "Unknown" is a catch-all bucket, not a real continent
+	}
 	if !first.IsZero() {
 		s.FirstQSO = first.UTC().Format(time.RFC3339)
 		s.LastQSO = last.UTC().Format(time.RFC3339)

livestatus.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"database/sql"
-	"fmt"
 	"strings"
 	"time"
 
@@ -30,8 +29,6 @@ func (a *App) emitLiveStatusChanged() {
 // to the DB — it is not a web server. Rows older than a couple of minutes are
 // "stale" (operator went offline); the web side ignores them.
 
-const keyLiveStatusEnabled = "livestatus.enabled"
-
 // liveOnlineWindow is how long after the last logged contact an operator still
 // counts as "on air". Leaving the log open without working anyone flips them
 // offline once this elapses; logging a new QSO flips them back online.
@@ -49,37 +46,6 @@ func (a *App) noteLiveQSO() {
 	}
 }
 
-// GetLiveStatusEnabled reports whether this operator publishes live status.
-func (a *App) GetLiveStatusEnabled() bool {
-	if a.settings == nil {
-		return false
-	}
-	v, _ := a.settings.Get(a.ctx, keyLiveStatusEnabled)
-	return strings.TrimSpace(v) == "1"
-}
-
-// SetLiveStatusEnabled turns live-status publishing on or off (off also removes
-// this operator's row immediately).
-func (a *App) SetLiveStatusEnabled(on bool) error {
-	if a.settings == nil {
-		return fmt.Errorf("db not initialized")
-	}
-	val := "0"
-	if on {
-		val = "1"
-	}
-	if err := a.settings.Set(a.ctx, keyLiveStatusEnabled, val); err != nil {
-		return err
-	}
-	if on {
-		applog.Printf("livestatus: enabled (logbook backend=%q, mysql conn=%v)", a.dbBackend, a.logDb != nil)
-		go a.publishLiveStatus() // show up right away
-	} else {
-		a.clearLiveStatus()
-	}
-	return nil
-}
-
 // seedLiveLastQSO primes liveLastQSOAt from the DB at launch, so an operator who
 // worked someone shortly before (re)starting OpsLog is shown "on air" right away
 // instead of offline until their next QSO.
@@ -143,9 +109,11 @@ func (a *App) liveStatusLoop() {
 	}
 }
 
-// liveStatusActive reports whether publishing should run (MySQL logbook + on).
+// liveStatusActive reports whether publishing should run. Always on for a shared
+// MySQL logbook (no user toggle: going offline is automatic — no QSO for 5 min
+// removes the row — so there is nothing to opt out of).
 func (a *App) liveStatusActive() bool {
-	return a.logDb != nil && a.dbBackend == "mysql" && a.GetLiveStatusEnabled()
+	return a.logDb != nil && a.dbBackend == "mysql"
 }
 
 // liveStatusOperator returns this instance's operator id (the operator callsign,
@@ -197,9 +165,6 @@ func (a *App) publishLiveStatus() {
 	if a.logDb == nil || a.dbBackend != "mysql" {
 		return // not a MySQL logbook — nothing to do (silent, runs every 15s)
 	}
-	if !a.GetLiveStatusEnabled() {
-		return // disabled (silent)
-	}
 	op, station := a.liveStatusOperator()
 	if op == "" {
 		applog.Printf("livestatus: nothing published — no operator/callsign set (Settings → Station)")
@@ -316,7 +281,29 @@ func (a *App) GetLiveStations() []LiveStation {
 	return out
 }
 
+// ensureLiveStatusTable creates/upgrades the live_status table ONCE per logbook
+// connection. It used to run the CREATE + 3 ALTERs on every call — and it is
+// called from every publish (15s heartbeat) AND every GetLiveStations poll (5s),
+// so that was 4 wasted round-trips per call on a remote MySQL, adding latency to
+// the "who's on air" widget and holding pool connections for nothing.
 func (a *App) ensureLiveStatusTable() error {
+	db := a.logDb
+	a.liveTableMu.Lock()
+	done := a.liveTableFor == db // re-ensure after a profile switch swaps the logbook
+	a.liveTableMu.Unlock()
+	if done {
+		return nil
+	}
+	if err := a.ensureLiveStatusTableDDL(); err != nil {
+		return err
+	}
+	a.liveTableMu.Lock()
+	a.liveTableFor = db
+	a.liveTableMu.Unlock()
+	return nil
+}
+
+func (a *App) ensureLiveStatusTableDDL() error {
 	if _, err := a.logDb.ExecContext(a.ctx,
 		"CREATE TABLE IF NOT EXISTS live_status ("+
 			"operator VARCHAR(32) PRIMARY KEY, "+

telemetry.go

@@ -21,7 +21,7 @@ import (
 
 const (
 	// appVersion is stamped on every heartbeat (and could feed the About box).
-	appVersion = "0.20.6"
+	appVersion = "0.20.7"
 
 	// posthogHost is the PostHog ingestion endpoint. EU cloud by default; change
 	// to https://us.i.posthog.com for a US project.