The columns were the intersection of the award's bands with a fixed list
that ended at 70cm, so a band the award genuinely covers could not appear
whatever it said. DDFM is worked well into the microwaves and had no 23cm
column, and nothing anywhere would have produced one.
The intersection is now taken against every band in frequency order, the
same list internal/award already sorts its own band counts by. The classic
HF-plus-2m-and-70cm set stays as the fallback for an award with no band
list and no contacts yet — the full list would be twenty-nine columns of
mostly nothing.
rouggy
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