FT8 decodes made on 14.095 were labelled 2190 m. That band is 135.7-137.8
kHz, and every affected decode's audio offset plus 136.1 kHz lands inside
it — while the ones shown with no band at all land just above 137.8. The
decodes were being stamped with another instance's dial.
WSJT-X refuses to start a second instance without --rig-name, so its ids
differ and keying on the id worked. MSHV has no such rule: both copies
call themselves 'MSHV', so the LF instance's Status overwrote the HF
one's dial, T/R period and mode.
Instances are now identified by their sending socket as well as their
name — the socket is stable for as long as the program runs, which is
exactly the lifetime this has to hold over. A second application claiming
an id already in use is shown as 'MSHV #2' and says so in the log, so the
decodes panel can still split them.
This also fixes replies: a Reply was addressed to whichever copy sent
Status last, which on a two-instance station is a coin toss.
