|
I've tried using trees to mount AP's. Too much sway for the
backhauls. Altho, mesh might work there..... ralphlists wrote: Ahh Thanks. I had envisioned something like that, but figured the "legs" would be the leggy things extending out. You just mount your stuff on the top of that tower, then, I guess. Not a lot of them around N GA, but we got lots of pine trees :-)Ralph -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Mike Hammett Sent: Wednesday, January 02, 2008 5:37 PM To: WISPA General List Subject: Re: [WISPA] brain cramp, can someone jog my memory? These are silos: http://www.plant.uoguelph.ca/performance_recommendations/ofcc/pub/SILO.htg/s ilo2.gif The round things are bins and the center is a grain leg aka bucket elevator: http://www.grainbinsupply.com/images/bins.jpg ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com ----- Original Message ----- From: "ralphlists" <[EMAIL PROTECTED]> To: "'WISPA General List'" <wireless@wispa.org> Sent: Wednesday, January 02, 2008 3:56 PM Subject: RE: [WISPA] brain cramp, can someone jog my memory?Thanks. I don't understand it, but I did it 3 times. You can do a lot with line of sight. 11 miles on 2.4 is never a problem for us when we have it. It is hard for me to visualize your terrain or what a grain leg even is, but I guess it must be like a silo or something. Ralph -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of John Valenti Sent: Wednesday, January 02, 2008 4:45 PM To: WISPA General List Subject: Re: [WISPA] brain cramp, can someone jog my memory? Wow, thank you! (really meant to send that message directly to you, but now the list can see your plots, too) It is flat here, but the trees are the problem for RF. Do I understand the last plot correctly: that ignoring trees, a 2.4GHz signal would work for ~12 miles? Amazing. I feel lucky when I can get a 2.4 customer connected at better than -80, and they are usually within a mile of a grain leg. On December 29, at 1:54 AM December 29, ralphlists wrote:Went ahead and did it. You were right. Without considering trees, a 26 meter high tower (grain leg) on each end would do it. I used a 200 mw radio and a 23 dBi panel antenna (like the Deliberant 1A23 self contained radio). Of course the Alvarion units would be the choice if you had the $$. See the results at http://brightlan.net/test.jpg Plot over Mapquest http://brightlan.net/test1.jpg Plot over Google Maps http://brightlan.net/test2.jpg Your grain leg with a 2.4 GHz 5.5 dBi omni Just a quick demo of some of the power of Radiomobile BTW- I was amazed at what you flatlanders can do on 2.4! -- Blair Davis AOL IM Screen Name -- Theory240 West Michigan Wireless ISP 269-686-8648 A division of: Camp Communication Services, INC |
-------------------------------------------------------------------------------- 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/
