On Tue, 28 Apr 2009, Laryn Lohman wrote: > WISP gear interference may not be obvious until you look for it. RF > from an unwanted source on its receive channel *will* desense any > receiver, FM or not. > > At one of our remote receive sites we ended up with Canopy equipment > within 20 ft. of our antenna. There was no way to hear obvious > interference on any received signal, even weak ones. All signals > seemed weaker. Nothing was opening the squelch. It was simply causing > ~10db of desense to the receiver, confirmed when the WISP gear was > switched off. Even though we were at the site first, the easiest and > quickest fix was moving our antenna 80 ft. away.
So much for "unlicensed" and "SHALL NOT create interference". -- Kris Kirby, KE4AHR Disinformation Analyst
