The following app nite from Elecraft describes a great way to calibrate the
dial on your K2:http://www.elecraft.com/Apps/K2%20C22%20Adjust%20App%20Note.pdf
After setting C22 and running CAL PLL, don't forget to also run CAL FIL and
update the BFO setting for each filter (even if you just
Hi
Do people still ask about the venerable K2 on this group? hi
my K2 serial # 5312 :
I built it 9 yrs ago now.
SO, I went back and (nervously) re-opened my K2 and re-did some of the
calibration routines.
The 4 Mhz calibration would not zero beat at 4. Mhz but at 3999.8
The PLL ref
John,
Certainly, this is a valid reflector for any Elecraft product.
Don't worry about exactly 4.000 MHz on that reference oscillator. It is
only important that it be right on just before running CAL PLL
followed by CAL FIL - and the frequency may not be exactly 4.000 MHz
when set properly
David,
I concede on that, and yes, warmup drift is normal. I erred in using
JT65 as the example, it just requires frequency stability (which the K2
can do after warmup). What I really intended are a few modern data
modes that I understand must be 'netted' to a specific frequency, down
to
Don,
I use my K2 on JT65 all the time, in fact I hardly ever even pick up the
microphone anymore. I find that I need it to warm up for about 15 minutes
before the VFO stops slowly drifting. However, even cold, the short term
drift on the K2 is slow enough to run JT65 without issues (at least
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