Jim Gerke <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Thanks, Garey.
I'm suspecting a bad filter, but am hoping it's not!
73, Jim K5JG
Garey Barrell wrote:
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
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Jim -
You may have a bad filter. Because of the mixing scheme used in the
TR-4, the LSB filter isn't always LSB!! You'll notice that the 40M
band tuned "backwards".
You may also have a dirty switch problem, but that is an incremental
process.
I would suggest "plotting" the two filter curves using the crystal
calibrator and S-Meter to see if they are both symmetrical and about 2.1
kHz wide.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B & C-Line Service Supplement CDs
<www.k4oah.com>
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