After a brief warmup, the K4's short-term reference lock deviation is
approximately +/- 0.1 to 0.2 Hz at an operating frequency of 14 MHz. It scales
linearly with frequency. This is roughly 5x tighter than the equivalent spec
for the K3, so I'm guessing you wouldn't see it in a dopplergram. That
Does the K4 do temp compensation like the K3 does, in very small steps?
If so, is the step size the same as the K3?
I used to do dopplergrams using my old 756 PRO III, but with the K3 the
frequency corrections are in steps and mess up the dopplergrams...
73, and thanks,
Dave (NK7Z)
https://ww
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