There are private weather radar systems that live around 5600 MHz as well. You can find them with ULS. Avoid the licensed frequencies in use by these systems within a few hundred NM.
Patrick Shoemaker Vector Data Systems LLC [email protected] office: (301) 358-1690 x36 http://www.vectordatasystems.com rwf wrote: > I am not sure but I think it is pretty much limited to Military > installations. > I haven't been able to verify this for sure, but one of my mesh gear > providers deals pretty much only with DOD installations and he tells me that > that is where the RADAR is that caused us to have to deal with the DFS > rules. > > I could be totally wrong, but that is what he said. > > Ralph > > Behalf Of Scott Carullo > Sent: Tuesday, December 01, 2009 6:22 PM > To: WISPA General List > Subject: Re: [WISPA] 5.6 GHZ? > > Anyone know of a way to find out what freq a weather radar is operating on? > I know of several local ones and would like to know what freq they operate > on for safety sake. Any ideas? I've looked everywhere and found nothing? > > Scott Carullo > Brevard Wireless > 321-205-1100 x102 > > > ---------------------------------------- > > From: "Jack Unger" <[email protected]> > Sent: Saturday, November 21, 2009 1:16 PM > To: "WISPA General List" <[email protected]>, "[email protected]" > <[email protected]> > Subject: Re: [WISPA] 5.6 GHZ? > > IMO, it is "iffy" for the reason you mentioned. The FCC (at the request > of the FAA and the NTIA) appears ready to deny use of the 5.6 spectrum > in areas where interference with airport weather radar takes place. I > doubt that any WISP would ague that their use of that spectrum is more > important than safe operation of commercial aircraft. I expect that > newly certified 5 GHz equipment will soon (within the next year) > include a updated DFS algorithm that looks for the presence of 5.6 GHz > radar and switches away from 5.6 when radar is detected. > > Your existing equipment may remain technically "legal" but you do run > the risk of possibly being blamed for aircraft crashes assuming you are > unlucky enough to be using 5.6 near airports where you could cause > actual interference to Terminal Doppler Weather Radar systems. See > <http://tiny.cc/LIlqB> for more information. > > jack > > Travis Johnson wrote: > > It's "iffy" because the FCC allowed the specific band, and now they are > trying to take it back away... two years later. If I never upgrade my > radios, does that mean I'm legal to run in that specific band forever? > > I just don't understand how they can allow it for 2 years, and then try > and take it away and think they are going to clean up the airways. > > Travis > Microserv > > 3-dB Networks wrote: > > Motorola Canopy 5.4GHz radios updated with the latest firmware cannot > transmit in the 5600-5650 part of the band. I don't understand what is > "iffy" about the band... Canopy operators have been using it for two years > or so now legally, and while DFS still has issues in its current > implementation, the FCC is working to make the DFS detection better on the > radio side and in turn make it harder to radio manufacturers to allow > clients to avoid using DFS Daniel White 3-dB Networks > http://www.3dbnetworks.com > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Jack Unger Sent: Friday, November 20, 2009 11:02 PM To: WISPA > General List Subject: Re: [WISPA] 5.6 GHZ? 5470 - 5725 is a legitimate > band but DFS2 must be used on the radios. There is currently FCC activity > to modify the DFS profiles for all newly-certified radios to avoid > aircraft radar system in the 5.6 GHz part of the 5470-5725 band. The > bottom line is - it's pretty "iffy". jack > Forbes Mercy wrote: > > My new MIMO radios have 5.6 GHZ on them, I don't recall that frequency > being available in the US. Is it? Forbes > > ---------------------------------------------------------------------------- > > ---- > > > 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/ > > > -- Jack Unger - President, Ask-Wi.Com, Inc. 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