[Elecraft] Re K3: 4th Harmonic of AM Station

2010-07-23 Thread Jay
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: [Elecraft] Re K3: 4th Harmonic of AM Station

2010-07-23 Thread Tom 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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