> I am a newbie when it comes to the digital modes and the KX3. The
> following question may, therefore, be naive.
>
> I have been experimenting using my Tentec transceiver to copy and send
> APRS PSK63 beacons on 30 meters using the "APRS Messenger" software.
> It seems to work fine using a Signalink USB sound card with the
> program set for 2100Hz tones. I am tuned to 10.147.6 USB.
>
> I want to try using the KX3 in PSK63 D mode to do the same thing, but
> don't know what tone/shift the internal modem uses, so don't know what
> frequency to tune the radio to. To quote WA8LMF:
>
> "The actual transmitted RF frequency is the indicated suppressed
> carrier frequency (i.e. "dial frequency") plus the audio tone
> frequency (USB) -or- the suppressed carrier frequency minus the audio
> tone frequency (LSB). The actual dial frequency you want WILL DEPEND
> ON THE SIDEBAND YOU CHOOSE (either one will work) --AND-- ON THE
> PARTICULAR AUDIO TONE FREQUENCY produced by the PSK program."
>
> Up until now I have been using AFSK in USB mode to do these
> experiments, and don't know how that translates when using a "direct"
> PSK63 mode. How should I tune the KX3 to be spot on to the single RF
> frequency for 30-meter PSK63 APRS operation, which is 10.149.700 MHz?
> Any advice appreciated.
>
> -Scott N3SW-
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