[TowerTalk] Tower measurements & broadcast interference

[Rick Karlquist]

The N2PK analyzer uses a heterodyne system that should
much less susceptable to BCI.  That is the ultimate
solution to this problem.

Rick N6RK


Tom Rauch said:
>> to ground and used a scope to make measurements across it.
> I found that I
>> have about 8 v peak-peak @ 650 khz from a local broadcast
> station.
>>
>> What I can do to remove this interference so I can measure
> the impedance on
>> 160/80m with the VA1?
>
> I designed a good system for MFJ, but of course the parts
> are not exactly what I wanted to use. It has about 10-20dB
> suppression of the BCB, and won't upset the readings of your
> bridge.
>
> You may actually need something better, but MFJ does have a
> free trial. Since I never really see the finished production
> product I never know the model numbers, but I'm sure they
> call it an analyzer filter or something similar.
>
> 73 Tom
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>