K4GM-George <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Until recently my T4XC PTO output was perfect in that there was no
difference in S meter readings on signals when switching from
transceive with the R4C PTO to transceive with the T4XC PTO. Then
about a month ago I noticed an occasional loss of received signal
strength when using the T4XC PTO. The loss was 30db or so. Today the
problem went from occasional to permanent, I can still SPOT the
T4XC but it puts out only S3 when it used to put out S9 on the
R4C. I have tried replacing the pertinent mixer, pre-mixer and
driver tubes w/o success. My next step is to start a methodical
analysis of voltage and resistance measurements. Before doing so I
thought I would inquire of the Drake group whether anyone might have
an idea of where best to focus/start.
K4GM- George
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