diario SWL I-56578 Antonio

Tadiran/ElbitHF modem, probably the HF-6000 model, running in COMSEC mode using FSK 125Bd/300Hz Digital Coded Squelch (DCS) and scrambled ...

Probably a simplex transmission heard on 6246.5 KHz/USB. Although the SNR is poor, it's possible to see a central un-modulated ton...

happy to be mentioned by THALES in their HFXL modem "Sea Trials" presentation during the last  HFIA meeting in Kjeller Norway ...

As said in the previous post , in all the monitored transmissions the chosen 3G-HF service is the Circuit Mode, and 1200bps 188-110A ...

Some days ago I had a talk (...email exchange) with my friend KarapuZ about the way to get correct measurements of the baud rate in noisy ...