Wavelength (m) = speed of light (m/s) / frequency (Hz) Avoid ΒΌ wavelength multiples.
-- Patrick Shoemaker From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Scott Carullo Sent: Wednesday, April 13, 2011 14:54 To: can...@believewireless.net; WISPA General List Subject: Re: [WISPA] Ethernet Cable for FM Tower Install Get with someone who can tell you exactly how long to make the cables. You don't want them any whole fraction of the FM wavelength freq or it will compound your problem. Make them as de-tuned length as possible. I've had a coax in my hand not hooked to anything in the vacinity of a high-power FM station and it was a resonant length and it got so hot I had to drop it. Scott Carullo Technical Operations 855-FLSPEED x102 [http://www.flhsi.com/files/emaillogo.jpg] ________________________________ From: "can...@believewireless.net" <p...@believewireless.net> Sent: Wednesday, April 13, 2011 9:39 AM To: wireless@wispa.org<mailto:wireless@wispa.org> Subject: [WISPA] Ethernet Cable for FM Tower Install We are mounting close to a 50kW FM antenna and want to use heavy, double shielded cable for the runs to the APs since we've seen issues in the past. Fiber up the tower but will need 3-4 ft jumpers to the APs. Any recommendations? -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org<mailto:wireless@wispa.org> Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
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