Previously logged on this same frequency roughly a month ago on 24 June 2026 if I remember correctly.
Frequency 6.747 MHz USB 6,747 kHz USB 6747.0 kHz USB 6.747.0 USB fishery comms fishing trawlers operating outside the legal marine band 6,200 kHz to 6,525 kHz band the 6525 kHz to 6765 kHz band 6.525 MHz to 6.765 MHz band is allocated to the aeronautical service, with the lower part of that band - 6525 to 6685 being civilian aircraft radio HF air radio SSB long range radio so these guys are operating in the off route (OR) portion of the band 6,685 kHz to 6,765 kHz. Nice easy to remember frequency though. Likely shows up as 6747.0 on their radio display (or something similar like 6.747.0 USB)