Eric,
My entire reason for posting my original question was because for years
I have ordered just xtals for elements on commercial repeaters and
changed them myself. Everytime the xtal netted just fine. Even in
tower shacks with minimal temperature control it was very rare for the
need to retune.
I've never moved an element from 463 to 444 MHz and thought with my past
success on the commercial freqs, there must be something I missed.
It's in the capable hands of ICM so I'll just be patient for the next
couple of weeks!! :-)
Randy
Eric Lemmon wrote:
>Randy,
>
>I think the subject has been covered well enough already. Perhaps the best
>analogy would be a Hewlett-Packard power meter, where the sensor is matched
>to, and calibrated with, the meter itself. If the sensor should somehow be
>destroyed by accident, one could not simply purchase a new sensor and expect
>it to work with the existing meter. One must ship the meter and the sensor
>back to the factory for alignment and calibration. Like the crystal and the
>channel element, they are a "matched pair."
>
>
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