[time-nuts] Home made GPS disciplined atomic clock

Predrag Dukic stijena at tapko.de
Mon Jan 26 06:04:21 EST 2009



Hi Mark,

Where from could I download this program (Lady Heather....)

Thanks

Predrag Dukic





At 23:14 25.1.2009, you wrote:

>If you have an older PC/laptop that can run DOS 
>or WIN98 and has a VESA compatible video 
>BIOS  then you might want to try Lady Heather's 
>Disciplined Oscillator Controller Program 
>(downloadable from the archives).  It has bulilt 
>in support for calculating and graphing the 
>ADEV/OADEV of the PPS and OSC parameters.  Also 
>graphs the PPS and OSC values along with the DAC 
>and TEMP parameters and the satellite 
>count.  Constellation changes are also 
>marked.  The source code is there if you want to 
>modify it for a more modern system.   The 
>distributed version was compiled with Quick C and set up for a 1024x768 screen.
>
>
>-----------------------------
>
> > One test you can perform that should give an indication of the location
> > of the Allan intercept is to:
>
>Ok, thanks for your clear instructions!
>
>My test periods have been much too short, if the Kalman filter learning
>takes even days! But with these instructions I'lll get better data for
>OCXO vs. LPRO comparison and maybe also the OCXO health.
>
> > Ulrich's Plotter is good for this
>
>Hmm. Is that software available somewhere?
>No luck with quick Google tour...
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