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gp300 one channel only

Posted: Tue Jul 08, 2014 4:49 am
by radd
I have acquired a handful of gp300's.. P93PC00D2AA.. with sequential serial numbers, 93 vintage.
I have managed to program four out of the five sets with the channels I require, one of the sets refuses to cooperate..
It seems to hold the frequencies more or less in random order and 12.5 Khz off channel..
If I program it with one channel only it holds the parameters perfectly, even out of band on 2 metres.

Help.. :-(