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Old May 27th 04, 03:10 AM
J999w
 
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My first thoughts are that you'll need an appropriate receiver in the hz region
( 1 khz RF) and the second what kind of antenna might you use? I don't think
30 ft of wire will be very efficient.

Also, I think they use very slow binary (carrier on/off) to convey the
messages.

jw
K9RZZ
 
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