[hpsdr] Mercury Calibration with PWRSDR

[Bill Tracey]

Graham's right on - the freq calibration  does not do anything for 
HPSDR at the moment .. a holdover from SDR 1000 days.

Regards,

Bill (kd5tfd)

At 07:43 AM 12/30/2008, Graham / KE9H wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>Tim:
>
>I don't think the frequency calibration function does anything on HPSDR.
>I think it is a legacy control from SDR.
>
>As far as I know, to get it spot-on, you need to feed it an accurate 10 MHz
>signal to the Atlas bus.  It should then lock to this signal with whatever
>level of accuracy you are feeding it.
>A nice HP10811 should keep everything locked to about one part in 10^8,
>or about 0.1 Hertz at 10 MHz.
>
>I have not tried this yet, but it is on my list of things to do soon.
>
>--- Graham



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