And you can tell that there is some error detection/correction because how often do you see a bad call sign displayed? If there wasn't, you'd see also sorts of crap in the Last Heard list.
Ed WA4YIH From: dstar_digital@yahoogroups.com [mailto:dstar_digi...@yahoogroups.com] On Behalf Of Tony Langdon Sent: Friday, October 16, 2009 5:09 PM To: dstar_digital@yahoogroups.com Subject: Re: [DSTAR_DIGITAL] Re: Beeps At 07:20 AM 10/17/2009, you wrote: >That is not what I read in previous discussions by folks who were >actually doing protocol-level work, but if you insist that the >headers are encapsulated inside the portion of the stream that's >covered by FEC, I can't really refute it technically. My understanding is that the voice uses the FEC built into the AMBE vocoder, which the headers don't have access to. 73 de VK3JED / VK3IRL http://vkradio.com