> From: Greg Troxel
> I had the impression that Yaesu was using a different proprietaryprotocol
> than ICOM,
> but proprietary nonetheless.But, your posting the annoucements here makes me
> wonder
> if I was mistaken. Are there protocol specs available, which an amateur
> could implement?
Greg, I believe Yaesu are using the same C4FM specification that both ICOM and
Kenwood adopted for their commercial VHF/UHF equipment back in 2005.
http://www.southgatearc.org/news/apr2005/icom_kenwood_demo.htm
The applicable ETSI standards are TS 102 490 and TS 102 658
ETSI Standards available as free downloads
http://www.southgatearc.org/news/february2009/etsi_standards.htm
73 Trevor M5AKA
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