On Thu, 30 Jun 2011 21:09:05 -0400, Paul Christensen wrote:

>As the dial changes from 0 to 500, the PTO's ferrite core moves toward the 
>back of the receiver.   As the core moves rearward, it is also coming nearer 
>to the AC power transformer.  PTO cores are especially susceptible to 
>magnetic fields.  To prove to myself the AC power transformer is the 
>culprit, I took the PTO assembly in my hands and moved to and from the 
>transformer. 


Ecellent work, Paul! This one is going in my file.

73

-Jim


--
Ham Radio NU0C
Lincoln, Nebraska, U.S.S.A.
TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, GT550A/RV550A, 
HyGain 3750, IBM PS/2 - all vintage, all the time!

"Give a man a URL, and he will learn for an hour; teach him to Google, and he 
will learn for a lifetime."

HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/
http://incolor.inetnebr.com/jshorney
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