Mine didn't do anything so "wavering" as yours and
it changed at a higher temp. So I wouldn't expect
to see much effect while operating, since it was
at high temps, above 42C.
My concern is if the calibration is off. If it was
a simple linear fit then it could be. If a table
look up or more complex fit then it should still
be good at a normal operating temp range.
73, Phil
On 3/18/14, 8:18 AM, Bob wrote:
Glad to know I wasn't the only one. In my case
the issue around 38 to 42C is a big deal because
that is where the PA sits when running JT65. So
it makes that mode unusable. If the odd break
didn't happen until 52C I'd be all set. And it
was definitely hopping all over the place
(sometimes rising, other times lowering, and in
larger step changes than I was seeing before).
I'm not so sure this isn't a problem with the
radio locking onto a harmonic of the tone as it
shifts lower and lower in pitch. I need to run
the test sometime with a scope on the output to
see what the signal looks like as gets very low
in pitch.
Please let us know how it works out when you try
it on air.
73, Bob, WB4SON
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