I'm curious if anybody has explored using circular polarization at 900 MHz for some of the reasons posted in this thread?
At 10:42 AM 9/3/2009, you wrote: >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<[email protected]> wrote: > > heh, the question was why folks doing 900 preferred horizontal > > > > -------------------------------------------------- > > From: "RickG" <[email protected]> > > Sent: Wednesday, September 02, 2009 9:41 PM > > To: "WISPA General List" <[email protected]> > > Subject: Re: [WISPA] 900Mhz question > > > >> On Wed, Sep 2, 2009 at 12:06 PM, Paul > >> Rice<[email protected]> 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<[email protected]> 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" <[email protected]> > >>> Sent: Wednesday, September 02, 2009 7:33 PM > >>> To: "WISPA General List" <[email protected]> > >>> 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<[email protected]> wrote: > >>>>> Folks like horizontal for 900 MHz due to the size of the wave cycle > >>>>> approx > >>>>> 13 inches long > >>>>> > >>>>> -------------------------------------------------- > >>>>> From: "RickG" <[email protected]> > >>>>> Sent: Wednesday, September 02, 2009 11:02 AM > >>>>> To: "WISPA General List" <[email protected]> > >>>>> 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<[email protected]> > >>>>>> 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: [email protected] [mailto:[email protected]] > >>>>>>> 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 [email protected] > >>>>>>> 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 > >>>>>>>> [email protected] > >>>>>>>> http://www.shelbybb.com > >>>>>>>> > >>>>>>>> > >>>>>>>> -----Original Message----- > >>>>>>>> From: [email protected] [mailto:[email protected]] > >>>>>>>> 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: [email protected] [mailto:[email protected]] > >>>>>>>> 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. 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