[CQ-Contest] Intruders

AD6E at aol.com AD6E at aol.com
Fri Oct 3 01:26:41 EDT 1997

Kris, N5KM wrote:
>>Have you noticed that some of the encroachers (on 80m, anyway) are
using some sort of encryption method? Upper or lower sideband is
unintelligible. Anyone know what encryption technique is being used?

This brings to mind a time when I was a radio operator in the US Navy
stationed in DU land (many, many moons ago).  In that region, the US military
was using any and all HF frequencies to run RTTY nets.  At least during my
watches there was no use of the designated frequencies which happened to be
in the 80m ham band (and I took some crap for that too!  Treaty?  what
treaty?)  I can only presume that in this day and age, the same procedures
are still in use, only with encrypted SSB instead of encrypted RTTY.  You
don't necessarily have to look at third world countries for source of

73,   Al     AD6E at aol.com

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