It is published- FCC ULS search. Be sure to look there before trying to deploy a 5.4 link next to a 1.4 MW (yes, mega) EIRP weather radar tower like I did.
Patrick Shoemaker Vector Data Systems LLC [email protected] office: (301) 358-1690 x36 http://www.vectordatasystems.com Scott Carullo wrote: > 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! 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