[hpsdr] Excalibur - Rubidium Standard Calibration Question - Phase Question
John Westmoreland
john at westmorelandengineering.com
Mon Apr 2 11:47:54 PDT 2012
HPSDR,
Borrowed a Rubidium Standard from AE6PM - to calibrate Excalibur - have a
few questions -
Is it possible the Green LED, for instance, could stay on for a shorter
period of time than the Red LED if there is an issue with phase? Or maybe
duty-cycle?
I currently have Excalibur adjusted so it is about 8-seconds Green LED on;
8-seconds Red LED on - so I suppose that is good.
Note when I got this adjustment to work - seemed like the on-times for both
LED's stabilized a bit. (Rubidium Standard was warmed up of-course and
locked.)
I then ran the 10MHz calibrate function on PowerSDR. If the above is
indeed working - then my error is 1/16 Hz - correct?
73's,
John
AJ6BC
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