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The 2m people, most business PLMR and the Cops don't get it so they
complain about jammers so you get irate service calls. But you can't talk to them because if you talk technical, they cover their ears, scream LALA LALA!! accuse you of lying, and they won't pay for the cure anyway (remember, if you have to think about the answer, you're lying). Heh. You haven't met the senior hardware guy (Scott N6NXI) on our 2M/220/440 repeater project. He's the staunchest opponent of using foil/braid cable on a repeater that you're ever likely to meet, and insisted on all of our stuff being done to solid commercial-grade standards (circulators, bandpass filters on the auxiliary radios, etc.). Most of the cables inside the rack are custom-cut/routed .25" heliax. It was a lot of work (and more money) but it has paid off in reliability. We've got 3 repeaters and their duplexers in a single rack, right next to one another, and no crosstalk or intermod or desense problems... and we share the site with a powerful paging-service transmitter and a bunch of public-service radio gear. Say R56 and it usually covers everything that matters. Check this out. Use to take care of a bunch of UHF Micors he http://eecue.com/images_archive/eecu..._Antennas.html (no i didn't take the picture) |
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