[Johnson] Viking Thunderbolt

manualman at juno.com manualman at juno.com
Mon May 22 22:15:36 EDT 2023


Neutralization generally is most critical on 10 meters so whenever I have
to do a neutralization adjustment, I always do it on that band.

Pete, wa2cwa

On Mon, 22 May 2023 12:31:33 -0500 <garyschafer at largeriver.net> writes:
> Hi Steve,
> I do not own a thunderbolt. but to neutralize you want to watch the 
> grid
> current as you tune the plate tune cap.
> You should see a peak in grid current at the same time you see the 
> plate
> current dip.
> You may have a more sensitive reading if you do not load the plate 
> to full
> output when neutralizing. 
> 
> If you watch which side of the plate dip causes the grid current to 
> go down
> you can determine which way to go with the neutralizing cap. When 
> you see
> the grid current go up when moving the plate in the same direction, 
> that
> means that the neutralizing cap needs to go the other way.
> This should be done on 20 meters for balance on all bands.
> 
> 73
> Gary  K4FMX



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