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Re: SO-50 and 74.4 tone



> If there already folks using SO-50, is it necessary to send the 74.4  
> tone before transmitting?
> 

Carl ~ the 74.4 Hz tone sets a 10 minute timer. No need to re-send  the tone if
there is activity on the bird. It will need a 67 Hz tone to hear your uplink
signal. ~ John
KC8ZFN

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