Hi Guys,
At Garey's suggestion, I've started to monitor the on-the-air CW signal of my
T4-X directly on my R-4 receiver---I also just recently retired my electronic
keyer, in favour of my Vibroplex Presentation bug...
Now, I don't know if it's due somehow to all my rockin' rollin' with the
Hi Eddy:
That brass end sticking out the back of the VFO can is the shaft that
the permeability cores are mounted on.
You can carefully remove the can from the back by squeezing the spring
latches on the front of the can.
The back end of the shaft simply rides along on the phenolic end of
While the mechanical issues are certainly a possibility you might want
to try An experiment. If the radio cuts up when it is cold it may be
the Zener diode in the vfo. If this is bad even cold the radio will
jump frequency.
Try the mechanical
Fixes including the grounding strap. If that
Eddy -
Curt has pretty well answered your question. As he said, the brass rod
extending from the rear of the PTO supports the ferrite slug in the PTO,
and any movement here WILL shift the frequency slightly. As you tune
the PTO, this pin moves in and out quite a bit.
The rod is round, the
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