[TenTec] Omni C TX/RX drift

[Ivin Flint]

I had a comment while on the CW traffic net 40 meters tonight that my tx was drifting up and down a little while transmitting on my Omni D series C.  I could also hear the freq shift in the receiver.  The band was very noisy tonight and I had just returned from receiving a message from a station that was popping my AGC every transmit very hard.  (The worst aspect of this radio and my biggest complaint).  I've thought about trading up for a Corsair II that solved this problem.

Anyway I finished with the net and moved down freq and had a QSO with a guy who said my signal was rock solid.  I called another net just a little later on 80 meters and my report again was solid, no drift.  

I guess it is intermittent, but where should I start looking to trouble shoot this issue?

BTW: I love this simple older radio. I bought it with traffic nets in mind because it has a  Digital display, Great receiver, and I have all the filters installed.  It is perfect for when you want to concentrate more on copying formal traffic and less on finding a function on the rig.  Just flip a switch for all adjustments or a quick turn of a knob.  No menus to draw your attention away from what your doing. 

Any help is appreciated.

Ivin W9ILF