MIL-STD-188-110B 39-Tone Parallel Modem Frequencies in the US
A good source for current utility frequencies is the World Utility News
websitr. I subscribe (snd occasionally contribute) to their newsletter
that is free and you can have email to you daily. It's more then hust
Mil-A;e and is very informative covering all HF modes. They also link
to a Number and Oddities newsletter if that interests you. The
contributors are knowledgeable, many from the U.S.
Charlie
Essex, Maryland "By the Chesapeake"
Drake R8B w/ Soundsweet Speaker
Palstar R30CC
RF Systems EMF Antenna
& other assorted receivers
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