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Author Topic: digital tones 21808  (Read 999 times)

Offline radioreddz

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digital tones 21808
« on: March 03, 2014, 1613 UTC »
what are these digital tones played in a tune on 21808 they play for 30 to 40 seconds with a 10 second break then play again
listning to the world on 200' of wire  assisted by a host of Hallicrafters,Icoms,Heath Kits and Radio Shack radios.  Stevo in Maryland


Item image   Computational Electromagnetics: Frequency-Domain Method of Moments - IEEE