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."

While I understand and respect the opinions of those who maintain that
Amateur Radio transmitters can embrace a much more relaxed level of
precision than commercial transmitters, I cannot help but wonder why this
feeling is so pervasive.  My personal feeling is that the public impression
of Amateur Radio (notice the capitals!) is greatly enhanced when such
installations meet or exceed the workmanship levels found in a typical
commercial installation.  Many others more vocal than I have lamented that
some installations by Amateur Radio licensees have been so amateurish that
they demean the name.  I submit that an Amateur Radio repeater should always
incorporate the State of the Art, with the appropriate bandpass cavities,
isolators, filters, and components that will ensure a reliable, trouble-free
installation.  Moreover, I cringe when I hear that a substandard
installation is okay, simply because it's "only" an Amateur Radio project!

I congratulate you on taking the high road to correct the problem with your
channel element.

73, Eric Lemmon WB6FLY


-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Randy Nelson
Sent: Monday, February 06, 2006 6:26 PM
To: [email protected]
Subject: Re: [Repeater-Builder] Micor Recrystalled Element Problem

I tried another channel element and the error was worse.  Both the xtal 
and element are on their way back to ICM.  It will be interesting to see 
if ICM admits an error or blames it on the element.

Randy




 
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