But, I love love poppy cock!!! On Fri, Jul 3, 2009 at 2:44 PM, Marlon K. Schafer<[email protected]> wrote: > "I'm told that properly set up, sectors > should not see each other loud enough to hurt." > > Poppycock!!!!!! > > I can't post pics so here is some info from one of my towers. > > I shut down radio 3 so I could run a scan on an MT based ap. > > Radio 1 (sits on the same board as radio 3 but the antenna is 10 to 15" > vertically separated) comes in at -46. > Radio 2 is cross pol and 40 to 50' away comes in at -83. > Radio 4 is cross pol and is 60ish feet away, -81. > > Oh yeah, all sectors are only 45*! Radios 1 and 3 are on the tower, radios > 2 and 4 are on the building at the base of the tower. 2 is south west, 1 is > south, 3 is south south east and 4 is east. There is nothing behind me. > > The highest radio output is 17dB as far as I recall. > > Here's the fun stuff, sigh. Travel lodge is at -74. The hotel is about 1.5 > to 2 miles from the tower. Some day I'm gonna take the time to talk to them > about their rotten internal system design! > > One called randys comes in at -78. There are no other structures (other > than cell phone etc.) within less than 1 mile. > > Sectors are great, but they do have their drawbacks. > > marlon > > > ----- Original Message ----- > From: "RickG" <[email protected]> > To: "WISPA General List" <[email protected]> > Sent: Wednesday, July 01, 2009 8:36 AM > Subject: Re: [WISPA] Antenna Recommendations > > > Your question was my next one! I'm told that properly set up, sectors > should not see each other loud enough to hurt. I'm sure the > quad-sector tower I mentioned earlier in this thread can see the other > sectors. I cant tell because it has prism cards :( > Guess which tower is going to get the first upgrade :) > -RickG > > On Wed, Jul 1, 2009 at 10:15 AM, Marlon K. Schafer<[email protected]> > wrote: >> That really depends Rick. >> >> The down side to an omni is that it picks up noise from all directions. In >> some places though, there isn't that much noise so it's no big deal. >> >> They are also low gain so they don't "hear" the noise as well. >> >> Here's a question for you. Which system will see more known noise, three >> omni antennas 10 miles apart, or three sectors on the same tower? >> >> marlon >> >> ----- Original Message ----- >> From: "RickG" <[email protected]> >> To: "WISPA General List" <[email protected]> >> Sent: Tuesday, June 30, 2009 6:19 PM >> Subject: Re: [WISPA] Antenna Recommendations >> >> >> You taught me Marlon :) >> >> What I take home from you is: Stay away from omni antennas unless they >> are low gain. Sectors are better. Keep power low. No amps. etc, etc. >> >> Doesnt using an omni to go 15 miles invite a lot of interference? >> >> (Still learning) >> -RickG >> >> On Tue, Jun 30, 2009 at 12:32 PM, Marlon K. Schafer<[email protected]> >> wrote: >>> roflol >>> >>> We routinely go 15 or more to an omni. And we don't use amps and rarely >>> even go all the way up to 36 watts eirp. >>> >>> Overall system design is important. Not just big omnis and amps.... >>> >>> Maybe I need to get out there and do some consulting work again? sheesh >>> Who's been teaching people for the last 2 or 3 years? >>> >>> marlon >>> >>> ----- Original Message ----- >>> From: "Robert West" <[email protected]> >>> To: "'WISPA General List'" <[email protected]> >>> Sent: Monday, June 29, 2009 3:13 PM >>> Subject: Re: [WISPA] Antenna Recommendations >>> >>> >>> 10 is a dream........... I know. But been thinking of going sector. Not >>> many users there at the moment but replacing the antennas may be a good >>> reason to upgrade the whole mess. Really only need a good 3 to 5 miles >>> but >>> further is always better for redundancy. >>> >>> >>> >>> >>> -----Original Message----- >>> From: [email protected] [mailto:[email protected]] On >>> Behalf Of RickG >>> Sent: Monday, June 29, 2009 1:32 PM >>> To: WISPA General List >>> Subject: Re: [WISPA] Antenna Recommendations >>> >>> I wouldnt use an omni to go 10 miles. Why not sector? >>> -RickG >>> >>> On Mon, Jun 29, 2009 at 12:31 PM, Robert West<[email protected]> >>> wrote: >>>> Would like to get 10 miles out of it for overlap but can go less. >>>> >>>> -----Original Message----- >>>> From: [email protected] [mailto:[email protected]] On >>>> Behalf Of RickG >>>> Sent: Sunday, June 28, 2009 11:42 PM >>>> To: WISPA General List >>>> Subject: Re: [WISPA] Antenna Recommendations >>>> >>>> How far do you need to go? >>>> -RickG >>>> >>>> On Sun, Jun 28, 2009 at 2:24 PM, Robert West<[email protected]> >>>> wrote: >>>>> I'm in need to replace some older Omni antennas, 2.4 and 5.8, to >>>>> connect >>>> to >>>>> a Mikrotik 600a. Running the R52H cards for both bands with a dish for >>>> the >>>>> 5.8 backhaul.. I'm not in the mood to experiment with the unknown, any >>>>> recommendations on what is working for you? And what doesn't! Land is >>>>> flat, rural farmland, small scattering of trees. We're up 70 feet in >>> this >>>>> location. >>>>> >>>>> >>>>> >>>>> Thanks! >>>>> >>>>> >>>>> >>>>> Robert West >>>>> >>>>> Just Micro Digital Services Inc. >>>>> >>>>> >>>>> >>>>> >>>> >>> ---------------------------------------------------------------------------- >>>> ---- >>>>> 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! 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! 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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