Hello all...I finally got my K9AY receiving array up in the air! Earlier this
spring, I ordered the boards for the switching/bandpass/preamp unit from Far
Circuits. I mounted both the switching board and the bandpass/preamp board out
at the antenna. I noticed something rather strange when I was running some
tests this last weekend and noticed that the preamp is basically useless. I am
able to switch the preamp in and out from my controller.....The problem - when
I switch the preamp on, I start to hear this crackling noise after about 3
secs. I don't notice any change in signal level. Has anyone else had this
Pictures of my controller are at the link below.
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