I would recommend that you put an swr meter (CLICK HERE) between the radio and the antenna to see if your radio is transmitting anything at all. Also, it will check to see if your radio is correctly matched to your antenna. If your antenna is not matched correctly it will fail to transmit correctly.
uniden UHF model UH016 continuous tone and flashing channel number. Wont do anything while this is...
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uniden UHF model UH016 continuous tone and flashing channel number. Wont do anything while this is occuring.