diario SWL I-56578 Antonio

I was just monitoring some interesting sequences of 2400Bd PSK bursts occupying 3 out of 6 channels (each 3 KHz width) according to alternat...

5716.0 KHz (cf): STANAG-4481F (apparently) 75Bd fleet broadcast from NAU Isabela (PTR), running with the "odd" and already observe...

STANAG-4481 PSK ( 4481-P) waveform carrying the KW-46 secured fleet broadcast of the Canada's East Coast Navy.  STANAG-4481P is basicall...

Cleaning up one of my hard disks I came across an old recording (year 2014) that had no comment file associated with it, so I decided to tak...

The so-colled Echotel MAHRS 2400 is a 2400Bd PSK-8 serial waveform with simmetical 2 x 8 pre-tones in respect of the 1800Hz carrier. The sig...