Re: [digitalradio] Re: Soundcard Calibration

2007-09-12 Thread [EMAIL PROTECTED]
Simon Brown wrote: > Doesn't this assume an accurate system clock? I think I see a class in gMFSK > / fldidgi to compare input <=> output but for calibration we need an > accurate source. > I use Dimension-4 to keep my PC clock on time, but there are other similar programs about. I suspect t

[digitalradio] Re: Soundcard Calibration

2007-09-12 Thread jeffnjr484
sage - > From: Vojtech Bubnik > To: digitalradio@yahoogroups.com > Sent: Wednesday, September 12, 2007 9:50 AM > Subject: [digitalradio] Re: Soundcard Calibration > > > --- In digitalradio@yahoogroups.com, "Simon Brown" > wrote: > > >

Re: [digitalradio] Re: Soundcard Calibration

2007-09-12 Thread Patrick Lindecker
ojtech Bubnik To: digitalradio@yahoogroups.com Sent: Wednesday, September 12, 2007 9:50 AM Subject: [digitalradio] Re: Soundcard Calibration --- In digitalradio@yahoogroups.com, "Simon Brown" <[EMAIL PROTECTED]> wrote: > > Somewhere I saw a solution for calibr

[digitalradio] Re: Soundcard Calibration

2007-09-12 Thread Vojtech Bubnik
> Doesn't this assume an accurate system clock? I think I see a class in gMFSK > / fldidgi to compare input <=> output but for calibration we need an > accurate source. If your system time is 1 second off every day, system clock precision is 1 / (24*60*60) = 12 ppm. My feeling is that this is go

Re: [digitalradio] Re: Soundcard Calibration

2007-09-12 Thread Simon Brown
Doesn't this assume an accurate system clock? I think I see a class in gMFSK / fldidgi to compare input <=> output but for calibration we need an accurate source. Simon Brown, HB9DRV - Original Message - From: "Vojtech Bubnik" <[EMAIL PROTECTED]> > > I think Patrick in his MultiPSK has

[digitalradio] Re: Soundcard Calibration

2007-09-12 Thread Vojtech Bubnik
--- In digitalradio@yahoogroups.com, "Simon Brown" <[EMAIL PROTECTED]> wrote: > > Somewhere I saw a solution for calibrating a soundcard (not using WWV). Can anyone help with this please - I want to write a DD to do this then add the code to a program of mine. > > Why? Because I'm thinking about M