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[digi-voice] Digital voice over high-speed packet

S. Sampson k5okc at cox.net
Sun Oct 31 03:18:17 UTC 2004


FM.  I'm going to use a Yaesu FT-1500M for one of the radios.

----- Original Message ----- 
From: "John B. Stephensen"


> Is this a QAM-modulated audio subcarrier over FM or SSB?
> 
> Another approach to consider for an NBFM radio would be multi-level FSK. This
> would be similar to MFSK16 on HF. 4 levels at 9600 Baud produces 19.2 kbps and 8
> levels 28.8 kbps. The data can be encoded so that there is no DC component.






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