[CQ-Contest] RFI problem-Thank You

[J.D. "Dan" Weisenburger]

Along time ago I had a similar problem with LPT1.  There were two 
grounds causing a ground loop at some frequencies (actually gound loop 
was always there) while others were clear.  I made it a "Single" ground 
and all was well

73 from Lake Moneysgone,  Dan, KW4T

On 11/6/2012 5:57 PM, Tom W8JI wrote:
>> Thank you to all who responded. Just to clarify...I have no RFI 
>> problems running 1kw on ssb. On cw, I have no rfi problems on 
>> 160,80,40m,20 or 10m as long as I use the monobanders. The problem 
>> manifests itself on 15m and when I use the TH6DXX. Normal day to day 
>> logging is done with DX4WIN and no problems.My conclusion is that I 
>> am getting RFI through the LPT1 cable. I will get some 31 mix cores 
>> and hopefully cure this annoying probllem.
>>
>
>
> How far is the TX6 from the shack compared to other antennas?
>
> Do you have a balun on it, and what type, and is the coax grounded at 
> an entrance panel or anyplace?
>
> 73 Tom
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