Trevor,
I would tend to believe that the carrier frequency of a broadcast
station would be better accuracy than that 'fairly accurate' 10 MHz
secondary frequency standard.
That being said - use a secondary standard if that is your only choice
and if you trust it. Your K3 calibration will be as accurate as the
standard that you used to calibrate the reference with.
Keep in mind that the K3 reference is easily calibrated (just a turn of
the knob after entering the menu), so use whatever accurate source you
have available now and refine it as better standards become available to
you.
73,
Don W3FPR
Trevor Smithers wrote:
Rather than a BC station, how about a fairly accurate 10Mhz frequency standard
like
http://www.aade.com/freqstd/freqstd.html
73 to all
Trevor G0KTN
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