At 12:12 PM 7/8/2005, Mathew Quaife wrote:
>Well here is the final results of what I have done this morning, and
>listening to the aircraft band, I have not heard anything come back
>as of yet. I reduced the duplexers to 4 cans rather than 6, with
>140 watts into the duplexer, I am getting 105 watts back out the
>antenna port. No decense that I can detect. Receiver sensitivity
>is right on track at .15uv @ 12dB sinad with the preamp
>installed. The audio out of the repeater is clean at this point. I
>spent almost 20 minutes on the repeater and nothing has gone wrong
>with it yet. I did find a few loose connections between the
>duplexers and the receiver, nothing in the transmit side, and not so
>loose they were ready to fall off, but not as tight as they should
>have been. I'm going to have some users work the system here this
>afternoon and travel about and see if I can hear it anywhere away
>from the repeater site.
>
>It very well could have been a bad connection all along. I'm hoping
>this is the case and it won't creap back up on me.
Let's hope!
The output sounds a lot healthier now, and if you aren't having any
interference or desense issues, then the extra can on the RX probably
was hurting more than it was helping.
I'd still want to see what an SA says about the RF from each point in
the chain, and especially the output.
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