> have a look at Charles Brain's HFDL decode package - currently beta, = works > well > on this here Icom and reveals what those 1.8sec PSK bursts on various = Aero > HF > bands are about. I found a adress... i think... http://www.chbrain.dircon.co.uk/ Sorry i dont have the time to verify the relevance right now... Regards Per Fahlberg