vk2tv at exemail.com.au
Wed Apr 16 17:27:46 EST 2008
I usually set the high tone to about 3.8khz. The low tone should be
about half that figure, assuming 6dB/octave pre-emphasis.
David Hopkins wrote:
> I am tuning up a tx for aprs and was wondering what is the accepted
> deviation for fm signals on APRS.
> David G. Hopkins (Vk4ZF)
> CAPALABA QLD.
> S27 32.191 E153 11.867
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