No transmission line will work that is larher than 5/8 " in diameter. Don't waste your time pulling 1 1/4". It won't work
Want the same results as 1 1/4" heliax? Disconnect the cable from the radio. There ya go. 1 1/a" results without the work or expense! :-) -B- Sent from my Verizon Wireless BlackBerry -----Original Message----- From: Robert Canary <rwcan...@mchn39.ocdirect.net> Date: Sat, 20 Jun 2009 11:09:55 To: WISPA General List<wireless@wispa.org> Subject: Re: [WISPA] Cabling for 5.8Ghz Thats what I was afraid of. I went back and did my own math and I didn't see how 5.8 would traverse the 7/8 correctly. Yet I would still think the spectrum analysis would pick something up, even if it was trash. Therefore I was questioning the ODU. So basicaly, 5.8 must have a solid core. I did find several sites (not manufacture sites), that showed 1-1/4 heliax would work. Hmmm... I think I got some of that. Robert Canary OCDirect Electrical-Datacomm (270) 298-9331 (270) 955-0362 ----- Original Message ----- From: "Kurt Fankhauser" <k...@wavelinc.com> To: "WISPA General List" <wireless@wispa.org> Sent: Saturday, June 20, 2009 11:32:21 AM GMT -06:00 Guadalajara / Mexico City / Monterrey Subject: Re: [WISPA] Cabling for 5.8Ghz The cut off frequency for 7/8 heliax is so low that the 5.8ghz wave can not operate on the large of a cable. You should have got 5/8 Heliax as it is the largest coax you can use and still pass 5.8ghz. Here is the spec sheet for the 5/8 http://www.midland.ru/products/andrew/pdf/LDF45.pdf Kurt Fankhauser WAVELINC P.O. Box 126 Bucyrus, OH 44820 419-562-6405 www.wavelinc.com -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Robert Canary Sent: Saturday, June 20, 2009 11:47 AM To: wireless@wispa.org Subject: [WISPA] Cabling for 5.8Ghz I have switch out a Alvarion B14 with a new B14. In the process we lowered the ODU 150' for accessibility issues (this is a difficult tower to climb). So we have dish still in the same place, but trying to 7/8" Heliax between the dish and the unit. No Link. Using the "Spectrum Analyzer" function on the GUI, we see no signs of life anywhere. Could this be a 7/8" Heliax issue, or DOA? Robert Canary OCDirect Electrical-Datacomm (270) 298-9331 (270) 955-0362 ---------------------------------------------------------------------------- ---- WISPA Wants You! Join today! http://signup.wispa.org/ ---------------------------------------------------------------------------- ---- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
