Maybe thats why the weather man always get the forcast wrong, those darn WISPs :-)
OK, lets get real... I agree, we should not do anything that we know will purposely harm radar systems. But the FEDs negotiated teh DFS technical spec for 5-7 years, before they finally gave it to us. If they didn't get it right, thats not really my doing. nor the WISP industry's. When my network gets interfered with, it is my responsibilty to go find a solution, and go find the culprit. Why should it be any different for the radar person? I'm tired of teh double standard that WISPs are less important than the rest of the world, and therefore should be expected to take steps far greater than others. Many WISPs provide mission critical solutions, just as critical as radar in my opinion. For example WISPs may provide broadband to TV stations that distribute the information to the public, or the remote scientific communities that interperates the results. Or to Hospitals and homes of teh elderly, or possible the schools where our children learn. Etc Etc. Why are WISPs so less deserving to use spectrum? Quite honestly I don't believe any spectrum should be allowed to be licensed. A WISPs responsibilty is to comply to the rules, not to monitor whether radar systems get interference. Thats the responsibilty of the Radar techs. If the FAA comes knocking at my door saying I'm interfering with them, I'd be the first person to Immediately stop interfering with them, and offer full cooperation. (whether legally required or not). They were there first, and the goal is not to interfere with them. But the burden is on them to show me the interference exists. And if it takes them 10 people to track down the interference, all I can say is, I wish I had their budget to waste on tech labor, because they could have accomplished the task with 1 or 2 people (quickly), like WISPs usually do. But what you are right about is FCC compliance. In a situation like that, its going to get ugly if uncertified gear was used. The FCC was really big on 5.4G legallity of DFS2. I think the FCC would be less harsh on 5.3G, as many 5.3 systems had been grandfathered, and it would have to be proven whether the WISPs had a grandfathered link, on whether the WISP was acting responsibly. And 5.3 radar users are likely already toleraent of the fact that 5.3 WISP users are out there, with DFS not being an original requirement of 5.3. But with 5.4Ghz, its a totally different animal, there was no legal 5.4 system not supporting DFS. I would find it highly unwise to use a non-certified 5.4Ghz system. I wonder if ANY of the MESH hardware is certified for DFS2 successfully. Such as Tropo? Or if they are all still 5.8 and 2.4 systems? Tom DeReggi RapidDSL & Wireless, Inc IntAirNet- Fixed Wireless Broadband ----- Original Message ----- From: "Gino Villarini" <g...@aeronetpr.com> To: <sc...@brevardwireless.com>; "WISPA General List" <wireless@wispa.org> Sent: Tuesday, April 21, 2009 11:41 AM Subject: Re: [WISPA] DFS Radar Question > WE saw this recently here, > > The FCC and FAA sent a crew of about 10 perrsons to hunt down some rogue > emissions that were afecting the local FAA Weather Radar. They were > here for about 2 weeks. > > The local radar operated in 5610, had a rx opening from 5580 to 5640. > The gain of the Weather antenna was 70db and the rx thershold -110, so > imagine how a stray radio would interfere! > > They had a field day with local wispa using non FCC DFS Aproved gear in > the band! > > They even got some stats on Canopy gear not trigerring correctly to the > radar signature! > > They were going to Motorola with the info gathered here > > > Gino A. Villarini > g...@aeronetpr.com > Aeronet Wireless Broadband Corp. > tel 787.273.4143 fax 787.273.4145 > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Scott Carullo > Sent: Tuesday, April 21, 2009 10:52 AM > To: WISPA General List > Subject: Re: [WISPA] DFS Radar Question > > You don't think your active transmitter can affect their weather radar? > > NOT > > Just because they have their gain tuned such that they can't hear a > reflection off a baseball in your area doesn't mean your signal won't > come booming in for them :) > > Mostly weather radar... And - remember - its just not the news > stations > in your area with radars // military installations, government > establishments, airports, NOAA etc... the list goes on. > > Scott Carullo > Brevard Wireless > 321-205-1100 x102 > > -------- Original Message -------- >> From: "Kurt Fankhauser" <k...@wavelinc.com> >> Sent: Tuesday, April 21, 2009 10:46 AM >> To: "WISPA General List" <wireless@wispa.org> >> Subject: Re: [WISPA] DFS Radar Question >> >> Is it military radar or weather radar that operates in these bands? If > >> it > is >> weather then we are lucky around here, our county is smack dab in the > middle >> of the "out of range zone" for 3 different weather radars by about 60+ > miles >> each. The National Weather Service is really interested in storm >> spotters > in >> this area because of the lack of radar coverage. >> >> 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 Tom DeReggi >> Sent: Tuesday, April 21, 2009 10:13 AM >> To: WISPA General List >> Subject: Re: [WISPA] DFS Radar Question >> >> The only good answer to combat DFS is to use directional PTP antennas > with >> good F/B ratios. >> >> I'd give 5.4G back to the FCC in a heartbeat, if they gave us 5.3Ghz >> back > >> without DFS and low power requirements. >> >> If you ask me.... Either 5.3 radars or 5.4 radars should be forced to >> upgrade to the other band, and free up the other :-) >> >> Tom DeReggi >> RapidDSL & Wireless, Inc >> IntAirNet- Fixed Wireless Broadband >> >> >> ----- Original Message ----- >> From: "Adam Goodman" <a...@wispring.com> >> To: <sc...@brevardwireless.com>; "WISPA General List" > <wireless@wispa.org> >> Sent: Monday, April 20, 2009 4:51 PM >> Subject: Re: [WISPA] DFS Radar Question >> >> >> I had some trouble with radar (think it was radar) last year. >> Interferences could be from many sources. It sa problem because you >> can't just go sit there for a couple of weeks with a spectrum analyzer > >> listening for noise. It would be nice if there was a reasonably priced > >> logger. Or with Internet connectivity. All this is probably a pipe >> dream as I have never seen anything with such functionality. >> >> >> >> >> On Mon, Apr 20, 2009 at 4:37 PM, Scott Carullo >> <sc...@brevardwireless.com> wrote: >> > >> > Anyone know of a radio that can just listen passively and scan >> > through channels and report back on radar signals heard on what > frequencies? > That >> > would be a great tool to have to scope out certain areas of interest > to >> > know ahead of time what radar DFS issues might be present... >> > >> > Scott Carullo >> > Brevard Wireless >> > 321-205-1100 x102 >> > >> > -------- Original Message -------- >> >> From: "Blair Davis" <the...@wmwisp.net> >> >> Sent: Monday, April 20, 2009 4:30 PM >> >> To: "WISPA General List" <wireless@wispa.org> >> >> Subject: Re: [WISPA] Gell Cell? >> >> >> >> >> > >> > ------------------------------------------------------------------------ > ---- > >> > ---- >> >> WISPA Wants You! 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