diario SWL I-56578 Antonio

This is an example of a CIS ACS/C (Automatic Channel Selection/Control) scanning SelCall [1], in this case a scan set of seven channels is u...

Interesting and quite rare CIS-12 & CIS Selcall FSK 150Bd/200 - aka "Vishnya" - picked up by my friend AngazU using ...

I spotted this short transmission on 7823.5 KHz/USB at 0827z, it's an FSK modulation with 200Hz shift and speed of 150bps. I asked my ...