Right, you hit the mark, Glen! 73, Helmut, DC6NY
-----Ursprüngliche Nachricht----- Von: glen english [mailto:[email protected]] Gesendet: Sonntag, 29. Januar 2017 10:02 An: [email protected] Betreff: Re: [Freetel-codec2] FreeDV 700C early release The 64$ question is how well does it tolerate high doppler paths, being vertical incidence and short ionospheric paths < 700km around local sunrise and local sunset . On 29/01/2017 7:37 PM, Helmut wrote: > Walter, > > many thanks for the clue, but I think we can exclude that possibility as we > both using high precise and disciplined HPSDR stuff with accuracy of +/- 1Hz. > While Alfred has implemented FreeDV via an API of his 'homebrew' SDR > operation software I have access to the radio via VAC. As mode 700B works > fine and 700C not, the problem seems hidden elsewhere. We'll find reason why. > > 73, Helmut, DC6NY > > -----Ursprüngliche Nachricht----- > Von: Walter Holmes [mailto:[email protected]] > Gesendet: Samstag, 28. Januar 2017 23:06 > An: [email protected] > Betreff: Re: [Freetel-codec2] FreeDV 700C early release > > Helmut, > > I am not sure if this part of your problem, but I have seen that in the 700 > modes the frequency accuracy has to be a bit more precise with the other > station, than on 1600 being a lot more forgiving. > > Of course, having the sync carrier in the 1600 mode really helps lock the > station in. > > Earlier today I was testing with 700c and found that 50hz and 100hz off was > ok, but at 150hz the audio was lost. Even though the signals looked very > good in the waterfall. > > Hope we can get to work you guys over there soon. > > Walter/K5WH > > -----Original Message----- > From: Helmut [mailto:[email protected]] > Sent: Saturday, January 28, 2017 3:00 AM > To: [email protected] > Subject: Re: [Freetel-codec2] FreeDV 700C early release > > > Hi David, > > FYI, all test waves decode perfectly using windows-svn-2996. We have look for > the issue elsewhere, hi. > > Thanks again. > > 73, Helmut, DC6NY > > > --- > Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. > https://www.avast.com/antivirus > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most engaging tech > sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2 --- Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. https://www.avast.com/antivirus ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
