1925 - SSTV "Argyle Radio"
On a separate note... Did anyone else copy a SSB sig on 6870 kHz,
probably 21nov19, time not noted UTC? Maybe ~0100 - 0300 or so?
The sig started, when I first noticed it, in LSB, then switched back
and forth between LSB & USB several times. I copied it by using
SAM mode and then it didn't matter which sideband was in use.
I was tied up doing some other things and didn't get "A Round Tuit"
to note the exact time. Also, figured someone else would note and
report the sig but I haven't seen any other report of this. The sig
was up and down and on and off several times but generally good
as I recall.