[time-nuts] Open source GPSDO
albertson.chris at gmail.com
Fri Dec 7 00:21:42 UTC 2012
We need a real, Open Source GPSDO that uses an open source tool chain.
Cost is not the issue it is the ability to modify and redistribute the
modified copy that is what's needed.
On Thu, Dec 6, 2012 at 10:28 AM, Murray Greenman <denwood at orcon.net.nz>wrote:
> You can see my GPSDO source code for a mere $50. It comes with manual and
> executables. The executables alone are $20.
> See http://www.qsl.net/zl1bpu/**MICRO/SIMPLE/SimpleGPS.htm<http://www.qsl.net/zl1bpu/MICRO/SIMPLE/SimpleGPS.htm>
> While this design does not use a Kalmann filter, it has pretty good
> holdover, and you can see how the phase detector, error integrator,
> filters, PID controller and D-A converter etc are done. The hardware is
> pretty simple. There is a PC monitoring and control program.
> Murray ZL1BPU
> ----- Original Message ----- >
>> As a lurker, I just want to chime in and say that I for one would love
>> to see an open-source GPSDO implementation. [snip]
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Redondo Beach, California
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