Receiver: G8JNJ SDR.
Location: Wessex, UK - South West UK
Frequency 3.150 MHz
3150kHz 3,150.0 kHz 3150 AM. Variable frequency. 100 meter band, 2-3 MHz marine allocation, except these guys are running AM mode of course. Old school "trawler band".
As is typical with this activity around 3 MHz, lots of off-frequency carriers, heterodynes, and so forth.
3146.5 kHz - AM signal drifting all over the place, lots of FMing, basically sounds just as bad in FM mode as it does in AM
3149.9 kHz - Strongest signal, SIO 555, peaking at 10db over S9...some minor FMing of the carrier
3147.3 kHz - Fair to weak signal
3149.1 kHz
3151.4 kHz
3147.5 kHz
3153.1 kHz
3150.5 kHz