[R-390] R-392 tube oscillation

[Steve Hobensack]

I am not familiar with the r-392, but be sure the bfo is neutralized (if it can be neutralized like the r390).
  Steve N8YE
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> Message: 3
> Date: Sun, 30 Sep 2012 11:02:07 -0400
> From: Robert Newberry <N1XBM at amsat.org>
> Subject: [R-390] R-392 tube oscillation
> To: "r-390 at mailman.qth.net" <r-390 at mailman.qth.net>
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> When I fire up my R-392 I've noticed in the 80m band I get what appears to
> be some tube oscillation. It is very sharp and tuning + - it goes away.
> After the set warms up its not so much of an issue although its still
> prevalent below 3.500 mhz and above 3.200 mhz.
> 
> I haven't tried pulling tubes and swapping yet. Figured I'd see if there
> are any tips. I also need to locate more tubes.