From: "Mike Williams" 
Subject: [drakelist] TR7 frequency shift


"Mike Williams"  made an utterence to
the drakelist gang
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Well, here is the problem...The Tr7 is solid with the exception of a =
slight warble in the receiver.  When sitting on a frequency listening to =
a cw signal or just tuned to the calibrator, the frequency will shift =
perhaps 80  or 100 cycles.  Enough to be audible and annoying.  This =
started shortly after I cleaned the main shaft of the PTO with De Oxit =
and followed up with a clean q tip to remove the residue.  I have =
cleaned the PTO's on my 4 line many times and not experienced this.  I =
think it is the PTO but I thought I would throw this one out to the =
group for comments and advice.

As always, thanks for any input!

Thanks,

Mike W4DL
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Well, here is the problem...The Tr7 is solid =
with the=20
exception of a slight warble in the receiver.  When sitting on a =
frequency=20
listening to a cw signal or just tuned to the calibrator, the frequency =
will=20
shift perhaps 80  or 100 cycles.  Enough to be audible and=20
annoying.  This started shortly after I cleaned the main shaft of =
the PTO=20
with De Oxit and followed up with a clean q tip to remove the =
residue.  I=20
have cleaned the PTO's on my 4 line many times and not experienced =
this.  I=20
think it is the PTO but I thought I would throw this one out to the =
group for=20
comments and advice.
 
As always, thanks for any
input!
 
Thanks,
 
Mike
W4DL

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