Re K3: 4th Harmonic of AM Station

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Re K3: 4th Harmonic of AM Station

Jay-86
Found the problem:  Seems the "key out" line to the linear was causing
it..... Don't use the linear anyway so I just unplugged that line.  
Thanks for the help.
As a note, the "radio room" is upstairs so I do not use a ground since
it causes all kinds of ugly things to happen with tuning.  From up here
the nearest dirt is about 25 to 30 feet away.

Jay,  W6JDB   Bend, OR
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Re: Re K3: 4th Harmonic of AM Station

W8JI
> Found the problem:  Seems the "key out" line to the linear was causing
> it..... Don't use the linear anyway so I just unplugged that line.
> Thanks for the help.
> As a note, the "radio room" is upstairs so I do not use a ground since
> it causes all kinds of ugly things to happen with tuning.  From up here
> the nearest dirt is about 25 to 30 feet away.


Jay,

It would be really useful to learn why the key out line did that. It is very
unusual. What type of amplifier do you have, and what antenna and band???

Tom

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