Best solution Publish all radar locations and freqs and we avoid like the plauge
Scott Carullo Brevard Wireless (321) 205-1100 x102 On Apr 21, 2009, at 1:14 PM, Tom DeReggi <[email protected]> wrote: > 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" <[email protected]> > To: <[email protected]>; "WISPA General List" <[email protected] > > > 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 >> [email protected] >> Aeronet Wireless Broadband Corp. >> tel 787.273.4143 fax 787.273.4145 >> >> -----Original Message----- >> From: [email protected] [mailto:wireless- >> [email protected]] 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" <[email protected]> >>> Sent: Tuesday, April 21, 2009 10:46 AM >>> To: "WISPA General List" <[email protected]> >>> 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: [email protected] [mailto:[email protected]] >>> 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" <[email protected]> >>> To: <[email protected]>; "WISPA General List" >> <[email protected]> >>> 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 >>> <[email protected]> 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" <[email protected]> >>>>> Sent: Monday, April 20, 2009 4:30 PM >>>>> To: "WISPA General List" <[email protected]> >>>>> Subject: Re: [WISPA] Gell Cell? >>>>> >>>>> >>>> >>> >> --- >> --------------------------------------------------------------------- >> ---- >> >>>> ---- >>>>> 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! 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