[VHFcontesting] Multi-op interferance on IF freqs

[John D'Ausilio]

I'm considering moving all my microwave IFs to 145Mhz to solve this
problem in the Jitney (which is a 2-op rover) ..

de w1rt/john

On Mon, Jan 26, 2009 at 8:29 AM, paul rollinson <ke1li at sbcglobal.net> wrote:
> Good morning all,
>
> During the last contest we expanded the bands we worked up to 10G from the bottom 4. This created a huge problem.
>
> We had to shut down the 2, 220, and 432 stations to use the upper bands due to interference from the lower, high power stations on the IF rigs for the transverters. 6M had little effect but we only had 100W running. Murphy reduced our power level.
>
> I speculate that a common patch panel and close proximity of the antennas may be the culprit but I'm looking for other opinions and potential solutions. Especially from the big multi-ops that run legal limit on 2 and 432 which we use for IF's.
>
> June is coming and I'd like to start clearing this problem asap. We always run out of time.
>
> 73 and thanks for the input,
>
> Paul, KE1LI
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