You had it fixed, but then you broke it again. After doing the
alternative method on page 49, when you tune in to 10.0000 MHz in CW
mode, you should hear a CW note at the same frequency as your PITCH
selection. I presume that is 400 Hz.
I got an extremely good score on last year's Frequency Measuring Test
using only that alternative calibration method.
73
Dave Hachadorian, K6LL
Yuma, AZ
On 12/16/2021 2:34 PM, Pete Smith N4ZR wrote:
I've been wondering for some time if my 10-year-old K3's frequency
calibration was off, because it seemed like most spots of me were well
off when I clicked on them, usually in one direction. Not having a
frequency counter, I went to the alternative method outlined in page
49 of the manual. I thought I did it all "by the book", but found
that when I was done 15-MHz WWV's carrier frequency (determined by
zero-beating the carrier) was almost 400 Hz low. Since I wasn't
looking for FMT-level accuracy, I went back to WWV and adjusted the
REF CAL setting by ear until 15.000 on my RX dial was as close to
zero-beat with WWV as I could tell. We'll see how it worked out, but I
wonder if I simply have some fundamental misunderstanding of what's
involved. Wouldn't be the first time...
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