[R-390] Re chirping CW and low audio plus strange PTO problem.

[Forrest Myers]

Hello Bob,
 Thanks for the PTO information. My PTO is a Progressitron and is extremely
linear except when going up hill at around the 100 khz point.
  I did some more testing last night and found that it is worse than I'd
thought. The worst point is at 105 khz where it is 2 khz low! Going uphill,
the non linearity starts at 80 khz and gets worse up to 105 khz where it is
2 khz low. Then, at 110 khz it is fine at only 200 hz low.  Remember, when
tuning downhill, the linearity is just fine from 1000 to 0.
 Do you know if the Progressitron PTO works the same as the Motorola?
 I'm seriously thinking about taking the thing apart and looking at it. If
the spring is weak, is it repairable?

 Thanks again.
Forrest Myers
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