Scada, railroad, cordless phones other wisps 30-50+ miles away. Just to mention a few sources we seen.
/Eje Sent via BlackBerry from T-Mobile -----Original Message----- From: "Mark McElvy" <mmce...@accubak.com> Date: Thu, 3 Sep 2009 10:55:02 To: WISPA General List<wireless@wispa.org> Subject: Re: [WISPA] 900Mhz question I am curious about 900 noise. My 2.4 gear sees noise levels of about -98 to -102, but the XR9 setup I have with H120 sector see -80 to -85 or so. I am in a small town of 5000 and I am curious what might be generating such a high noise floor. Mark McElvy AccuBak Data Systems, Inc. -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of RickG Sent: Thursday, September 03, 2009 10:42 AM To: WISPA General List Subject: Re: [WISPA] 900Mhz question Lol, and the answer is because horizontal usually has less noise. Whcih has nothing to do with the size of the wave cycle. Unless someone knows something I dont - which is always possible. On Wed, Sep 2, 2009 at 11:15 PM, Paul Rice<paul.r...@boomerang-networks.com> wrote: > heh, the question was why folks doing 900 preferred horizontal > > -------------------------------------------------- > From: "RickG" <rgunder...@gmail.com> > Sent: Wednesday, September 02, 2009 9:41 PM > To: "WISPA General List" <wireless@wispa.org> > Subject: Re: [WISPA] 900Mhz question > >> On Wed, Sep 2, 2009 at 12:06 PM, Paul >> Rice<paul.r...@boomerang-networks.com> wrote: >>> Folks like horizontal for 900 MHz due to the size of the wave cycle >>> approx >>> 13 inches long >> >> I knew that but couldnt figure out why you specified "horizontal". I >> guess you might have said Folks like 900 MHz due to the size of the >> wave cycle approx 13 inches long. >> >> Thanks! -RickG >> >> On Wed, Sep 2, 2009 at 9:51 PM, Paul >> Rice<paul.r...@boomerang-networks.com> wrote: >>> same size. The electromagnetic wave is the same, polarity refers to the >>> orientation of the wave. up and down or side to side. >>> 13 inches is the wavelength (length of a single cycle). >>> >>> -------------------------------------------------- >>> From: "RickG" <rgunder...@gmail.com> >>> Sent: Wednesday, September 02, 2009 7:33 PM >>> To: "WISPA General List" <wireless@wispa.org> >>> Subject: Re: [WISPA] 900Mhz question >>> >>>> The wave size of vertical would be different? -RickG >>>> >>>> On Wed, Sep 2, 2009 at 12:06 PM, Paul >>>> Rice<paul.r...@boomerang-networks.com> wrote: >>>>> Folks like horizontal for 900 MHz due to the size of the wave cycle >>>>> approx >>>>> 13 inches long >>>>> >>>>> -------------------------------------------------- >>>>> From: "RickG" <rgunder...@gmail.com> >>>>> Sent: Wednesday, September 02, 2009 11:02 AM >>>>> To: "WISPA General List" <wireless@wispa.org> >>>>> Subject: Re: [WISPA] 900Mhz question >>>>> >>>>>> But look at all the experience you are gaining :) >>>>>> >>>>>> On Wed, Sep 2, 2009 at 10:36 AM, Robert >>>>>> West<robert.w...@just-micro.com> >>>>>> wrote: >>>>>>> Why horizontal polarity? Cause I'm a total idiot when it comes to >>>>>>> 900mhz >>>>>>> and as my luck usually runs, if I go by the book nothing works until >>>>>>> I >>>>>>> do >>>>>>> what I'm not supposed to do. But, also as my luck runs, the opposite >>>>>>> of >>>>>>> what I try first will work So it actually won't matter what I do >>>>>>> including >>>>>>> sitting the antennas 5 feet in front of each other, it will never >>>>>>> work >>>>>>> the >>>>>>> first time out. :) >>>>>>> >>>>>>> Bob- >>>>>>> >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] >>>>>>> On >>>>>>> Behalf Of Tim Edwards >>>>>>> Sent: Wednesday, September 02, 2009 12:33 AM >>>>>>> To: WISPA General List >>>>>>> Subject: Re: [WISPA] 900Mhz question >>>>>>> >>>>>>> I'm with Chuck, much better performance with the Trango vs. Mikrotik >>>>>>> in >>>>>>> my experience. >>>>>>> Why horizontal pol? Vertical cuts through the foliage much bettter, >>>>>>> at >>>>>>> least with the NorCal >>>>>>> foliage we have here. >>>>>>> >>>>>>> tim >>>>>>> >>>>>>> -- >>>>>>> =-=-=-=-=-=-==-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>>>>>> Tim Edwards, Chief Engineer t...@telescience.net >>>>>>> TeleScience Networks http://telescience.net >>>>>>> 11101 Hiway 1, #102 415-663-8891 >>>>>>> Point Reyes Station, CA 94956-1375 >>>>>>> =-=-=-=-=-=-==-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>>>>>> >>>>>>> >>>>>>> >>>>>>> Chuck Hogg wrote: >>>>>>>> I find that the Trango 900 can handle the noise and capacity much >>>>>>>> better >>>>>>>> than MikroTik/XR9. I have a few hundred on Trango and it works >>>>>>>> better >>>>>>>> imo than XR9's. Canopy's GPS synch is the only reason I would >>>>>>>> prefer >>>>>>>> their 900MHz option. >>>>>>>> >>>>>>>> Regards, >>>>>>>> Chuck Hogg >>>>>>>> Shelby Broadband >>>>>>>> 502-722-9292 >>>>>>>> ch...@shelbybb.com >>>>>>>> http://www.shelbybb.com >>>>>>>> >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] >>>>>>>> On >>>>>>>> Behalf Of Robert West >>>>>>>> Sent: Monday, August 31, 2009 4:49 PM >>>>>>>> To: 'WISPA General List' >>>>>>>> Subject: Re: [WISPA] 900Mhz question >>>>>>>> >>>>>>>> I'm actually about to test something similar in a few days. We have >>>>>>>> a >>>>>>>> 2.5 >>>>>>>> mile link to put in with half a mile of it through trees with .25 >>>>>>>> miles >>>>>>>> of >>>>>>>> that running right over a creek. Doing it on the cheap, or trying >>>>>>>> to. >>>>>>>> Have >>>>>>>> 2 Mikrotik 411 boards on both sides running a transparent bridge >>>>>>>> using >>>>>>>> XR9 >>>>>>>> cards attached to a pac wireless grid antenna setup with horizontal >>>>>>>> polarity. The antennas are up and the boxes are configured, just >>>>>>>> have >>>>>>>> to go >>>>>>>> out tonight or tomorrow and run power to them and try to see what >>>>>>>> kind >>>>>>>> of >>>>>>>> throughput we can get, if any. Haven't tried it before but we'll >>>>>>>> see. >>>>>>>> >>>>>>>> Bob- >>>>>>>> >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] >>>>>>>> On >>>>>>>> Behalf Of Patrick D. Nix, Jr >>>>>>>> Sent: Monday, August 31, 2009 3:38 PM >>>>>>>> To: WISPA General List >>>>>>>> Subject: [WISPA] 900Mhz question >>>>>>>> >>>>>>>> We've been using the Trango 900Mhz gear and are familiar with canopy >>>>>>>> and >>>>>>>> it's abilities. How does a Mikrotik with something like a XR9 >>>>>>>> compare >>>>>>>> in terms of penetration and throughput when paired with a Ubiquity >>>>>>>> CPE? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Patrick Nix, Jr., >>>>>>>> Computer Network Solutions >>>>>>>> CSWEB.NET Internet Services >>>>>>>> IT Manager >>>>>>>> >>>>>>>> http://www.cnetworksolutions.com >>>>>>>> http://www.csweb.net >>>>>>>> >>>>>>>> (918) 235-0414 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>>________________________________ >>>>>>>> >>>>>>>> Attention: This e-mail and any attachments may contain confidential >>>>>>>> and >>>>>>>> privileged information. If you are not the intended recipient, >>>>>>>> please >>>>>>>> notify the sender immediately by return e-mail, delete this e-mail >>>>>>>> and >>>>>>>> destroy any copies. 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