[VHFcontesting] rf problem
Ray at w9ray.org
Fri Dec 12 23:15:26 EST 2008
thats a surprise? there is probably several watts of 50mhz coming back
down your coax to your 2 meter setup.
hard to believe its getting through the dci filter that good though.. is
that the big (12" or so long?) silver cavity filter. 144-146mhz)
do you have the filter inline between the amp and antenna or between
the radio and amp? does the amplifier have a preamp?
Christopher S Peightal wrote:
> I am having alittle problem. I have one tower that has my 6 meter yagi on it.
It is a M2 6M7JHV and I have another tower about 35-40 feet away from
with my 2-1296Mhz antennas on that. The problem is when I have the 6 meter
r antenna pointing towards the other tower running about 400 watts and with
the 2 meter radio and amp on some RF is coming down the 2 meter coax and of
course triggering the 2 meter amp. The 2 meter antenna is a few feet
higher than the 6 meter antenna. My question is what filters if any do
you guys recommend to surpress this problem. The only filter I have in
line right now for 2 meters is a DCI filter but that is for intermod
Hope I was clear enough to understand. thanks, chris, ka3zls.
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