A small clip of a few ham radio operators on 40m using AM mode,
Typical FT 8 activity on 17m
EA3JE on 20m working North American Stations
Some Over The Horizon Radar activity outside of the 20 meter amateur radio band. See the other video of this activity outside of the 40 meter band.
Over The Horizon Radar Activity outside the 40 meter amateur radio band. See the other video with this activity outside the 20 meter band.
This one is very similar sounding to the previously posted one on 13 Mhz.
Hearing these around the HF Band. See the other video of one discovered in the 11 meter band.
LINK 11 SIGNAL
Link-11 (Also known as ALLIGATOR, STANAG 5511, TADIL-A, MIL-STD-6011, and MIL-STD-188-203-1A) is a Tactical Data Link standard (formerly known as Tactical Digital Information Link (TADIL) used by NATO and the US Military for Maritime Tactical Data Exchange.