[Johnson] Ranger question

[Jim Brannigan]

If you look at the construction manual, there is indeed a ground strap 
between the top of the VFO box and the front panel.

I forgot  to put it back after the last work done on the radio and notice no 
ill consequences.

Jim


> This morning I caught the tail end of a QSO between a couple of W3's who 
> were talking about Rangers.
>
> They were discussing adding a separate ground connection between the VFO 
> compartment and the front panel of Rangers.  They were talking like this 
> was common knowledge and one of the things that everyone did to every 
> Ranger along with replacing R3.  I've been on this reflector for a number 
> of years and don't remember seeing this one mentioned.
>
> I came in too late to hear the whole story and couldn't hear one of the 
> guys very well, but it had something to do with RF feedback on 40 meters 
> and the fact that you were dealing with the fundamental frequency of the 
> VFO, rather than a harmonic as on 80 meters.
>
> I have a problem on 80 (and only 80) where I get an oscillation or 
> feedback when the audio is turned up past about 3.  I wondered if this 
> might be related.  Is anyone familiar with this extra ground strap and the 
> reasons for its use?
>
> Harry, KT4AE