Hi Jack,
Rather than bandpass filters, might I suggest a highpass on the 2M and
lowpass on the 6M to start? Just an idea as HP and LP filters tend to
have lower insertion loss that BP.
73,
ShawnN7LQ
On Fri, 2022-04-08 at 12:52 -0400, John O’Mara wrote:
> Good morning,I’m part of the W4IY Flagpole Knob VHF Contest Group
> (FM08jm). We have been operating from Flagpole Knob continuously for
> over 30 years. Thanks for all the Qs.
> We experienced higher than normal interference between our 6 and 2M
> stations during September last year and I wanted to look into what
> others may be using and their experiences with bandpass filters,
> stubs, etc. to minimize interference between stations. We are running
> 500W on 6M and 1.2KW on 2M. We try to space the antennas as far apart
> as possible but the the top of the Knob is only so big.
> I appreciate any assistance you can provide. Thanks and 73,
> JackW4NFW4IY 4300’ ASL FM08jm
> Sent from my
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