On 5/19/2013 6:47 PM, Andrew P. wrote: > I wonder what ever happened to the FX.25 protocol? It is a backwards-compatible forward-error-correction extension to AX.25. > > Andrew KA2DDO It's not embedded in KPC3s, Kenwood D700s, AGWpe, TNC2s, etc. I don't think anything that won't fit into the limitations of these devices will ever gain traction in APRS.