Joe, Both links are using Radiowave 3' high performance antennas. One link is a pair of Orthogon units, the other are Trango Tlink10's and a third 20mi link are Trango Atlases.
This scenario is setup as an OSPF 'ring'. Cliff -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Joe Miller Sent: Monday, August 10, 2009 8:49 AM To: WISPA General List Subject: Re: [WISPA] 5.8GHz Link Loss Cliff, What type of radio are you using? I have a 19.2 link over here in Gulfport and it has been rock solid. I'm using 3ft dishes too. Joe Miller DSLbyAir, LLC 228-238-2563 www.dslbyair.com ----- Original Message ---- From: Cliff Leboeuf <cliff.lebo...@cssla.com> To: WISPA General List <wireless@wispa.org> Sent: Monday, August 10, 2009 8:21:16 AM Subject: Re: [WISPA] 5.8GHz Link Loss One is about 18 miles, the other is just over 20 miles. - Cliff -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Marlon K. Schafer Sent: Sunday, August 09, 2009 12:31 PM To: WISPA General List Subject: Re: [WISPA] 5.8GHz Link Loss We're still guessing here. He's never told us how LONG the links are. If they are 10 miles apart it's probably not ducting. marlon ----- Original Message ----- From: "Mike" <m...@aweiowa.com> To: "WISPA General List" <wireless@wispa.org> Sent: Sunday, August 09, 2009 9:57 AM Subject: Re: [WISPA] 5.8GHz Link Loss > The way I understand it, and have worked to my advantage as a ham, is > the layers stratify at fairly definite borders in tropospheric > ducting. The layer works more like a duct with a mirror like > top. The signals can be repeatedly "reflected" back down into the duct. > > I did some experiments during one tropo opening using some long > circular polarized yagis at both vhf and uhf. The signals appear to > become more randomly polarized as the distance in the duct > increases. The signals coming from areas around the Gulf coming into > SW Fl during the events had components of both vertical and > horizontal polarization. > > Refraction is the deflection of a wave on passing obliquely from one > transparent medium into a second medium in which its speed is different. > > So, both upon entering and leaving the duct the signal can also be > subject to refraction? Not sure. > > Mike > > > At 10:52 AM 8/9/2009, you wrote: >>That is correct. So my next question: Can refraction be caused by >>thermal ducting? -RickG > > > > > ------------------------------------------------------------------------ -------- > 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/ No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.392 / Virus Database: 270.13.44/2283 - Release Date: 08/09/09 08:08:00 -------------------------------------------------------------------------------- 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/ No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.392 / Virus Database: 270.13.44/2283 - Release Date: 08/09/09 18:10:00 -------------------------------------------------------------------------------- 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/
