Most of the time, an AM tower is HOT. IE, the entire tower is the antenna. This presents all sorts of issues with coupling the equipment at the base of the tower, etc.
Most people will not work with a hot tower. Don't take your organs to heaven, heaven knows we need them down here! Be an organ donor, sign your donor card today. ----- Original Message ----- From: "Israel Lopez" <[email protected]> To: "WISPA General List" <[email protected]> Sent: Sunday, April 26, 2009 6:41 PM Subject: [WISPA] Wifi on AM Radio Tower? > Hello There, > > I am a volunteer IT guy spending some time in Honduras. I sent the list > an email awhile ago for some knowledgeable guys in the WISPA space and I > was impressed with some of your members' willingness to help. Im > sending you guys a message so i have some feedback. > > We are here in Juticalpa, Olancho, Honduras. We have a tower that we > are housing some multi point equipment on. A low grade omni, with no > back haul where other sites use to get connectivity as our Demarc for > internet doesnt have LOS to all of our sites. Our sites are schools, 3 > of them: Special needs, Elementary, High School. The current problem > is the network is slow end to end (from Site - multipoint - > demarc(internet) we have 800kbps, and 300ms) over 2.8kilometers. > > We are putting a plan together to build a backhaul (new radios) and > possibly better antenna coverage if it is possible > > 1) Our multipoint site has two towers available, we are using one of them. > 2) The second tower has an AM Radio attached to it. > 3) The AM Radio is broadcasting on 650Khz @ 1KW of power on the 100meter > tower > 4) We have a smaller tower (20Meters) with some 200mW 2.4Ghz Wifi Radio > 5) This WIFI radio is acting as a bridge to other sites we cant get LOS. > > The idea. > > 1) Rebuild the multi point with a 2.4Ghz back haul PTP, and a new Omni > directional radio @ 300mW > 2) Move the setup into the 100Meter tower on the same tower with the AM > transmitter for better LOS coverage. > > The expectation of a problem: Will that work? Are we crazy to put a > 2.4Ghz antenna @ 300mW on the same tower as an AM Transmitter on 650Khz > @ 1KW. I am honestly expecting RF overload on some of the radios to > cause problems. If thats not the case, then we could use the higher > tower to serve an area better. > > We are not running a WISP here, mainly providing data connectivity > between schools. > > Let me know what your guys's thoughts are. > > -Israel > -------------------------------------------------------------------------------- > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > 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: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
