Speaking of UHF preamps, does anyone have any experience/recommendations
for tower mounted preamps? I have a receiving only site at 425 feet AGL,
DB420 antenna, 7/8 line, that feeds five receivers at present. Tried an ARR
on the ground before the splitter but it seemed to overload from UHF paging
transmitters a mile away. The frequecies I need to receive cover 449 to 455
mhz. with the pagers at 452 and 453. Also, 50 kw FM station on tower at
receive site.
In ages past I used a home-brew gasfet and just a 1/4 wave stub in front
of the gasfet and it worked very well. Then came the pagers. Have had some
luck with notch filters on the pagers.
I'm curious as to whether an Angle Linear or another preamp would
servive this kind of service. How do they fare with lightning? PITA to
change something 400 feet up in the air. Coaxial bypass?
Merry Christmas,
Al, K9SI
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