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Old September 27th 07, 03:09 AM posted to rec.radio.amateur.homebrew
COLIN LAMB COLIN LAMB is offline
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Default Xtal calibrator, 1980 ARRL Handbook

The harmonics should easily go to 30 MHz. Good measure of sensitivity as
the harmonics decrease as you go higher. If one band drops greater in
proportion to the others, then that band could have a problem.

Colin K7FM