"Tom Evans, AG9X" <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- Frank,
Inspect the PTO to see if it has the "braid" mod. Without it, the frequency can jump around ever so slightly. http://www.zerobeat.net/drakelist/tr7moremods.html Look for (10) -Tom, AG9X On 12/11/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
OK, my TR-7 is getting back in line to what it left Ohio many years ago. I have been listening pretty critically on the receive and it seemed on SSB like there was a slight warble on the audio. When going to CW it was harder to hear but still there. (I listen to 35+WPM so maybe I couldn't hear it.) Went to the Calibrator and it seems like the 25kHz calibrator signal is "jumping" up and down (in voltage) slightly, maybe +/- 3% or so on the scope. Audio-wise it is hard to hear but.. it is there - warbling ever so slightly. There is also some sort of "other signal" in the background. The other signal is much lower in frequency, maybe 60Hz? but the same amplitude! The scope seemed like it had problems syncing... Any thoughts on this? Frank KG9H
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