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<DIV>Just having a fiddle around with a PacComm TNC320 here on HF. I dont know
if there are many of these around . They seem to use the XR2206 and XR211 chips
for the Tone mod/Demod . I could not find any info on what tone pair it uses so
I got a frequency counter out last night and found it was 1600/1800 Hz tones on
HF. Ive got it working on 30m presently.</DIV>
<DIV> </DIV>
<DIV>So an update for this page adding the TNC320 to Group C modems/devices
may be in order.</DIV>
<DIV><A
href="http://www.aprs.net.au/hf/hf-modem-tones">http://www.aprs.net.au/hf/hf-modem-tones</A></DIV>
<DIV> </DIV>
<DIV><BR>Tony Hunt VK5AH</DIV>
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