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[aprssig] RE: 434 Mhz 10 mW 19k2 GPS tracker

Jim Wagner wagnerj at proaxis.com
Thu Aug 2 20:16:00 UTC 2007


That radio is an unlicensed "ISM" radio in the United States. While 
that ISM band does overlap the 70cm band, it is not at all clear from 
the FCC rules what the limits are on communication between ISM devices 
and licensed ones.

The message will have to include a call sign if its use is not clearly 
ISM.

I would also be a little concerned that the protocol does not seem to 
be "public" (and decipherable by other users), thus limiting its use in 
ham applications.

Jim Wagner
KA7EHK





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