I, like Jack, prefer 120 degree sectors. Much much less experience coming from this way, though.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 Those who don't understand UNIX are condemned to reinvent it, poorly. --- Henry Spencer On Wed, Jan 7, 2009 at 3:11 PM, Chuck Hogg <ch...@avolutia.com> wrote: > You don't have enough channel overlap with 90 degree sectors in 2.4, > 5Ghz probably ok...but not 2.4 ? > > Regards, > Chuck Hogg > Avolutia, LLC > 502-722-9292 > ch...@avolutia.com > www.avolutia.com > www.shelbywireless.com > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Mike Hammett > Sent: Wednesday, January 07, 2009 3:01 PM > To: WISPA General List > Subject: Re: [WISPA] Typical Sector count > > Interference protection is exactly why I went with 90*. Not that > there's > much to be worried about where I am, but I figured it a better decision > to > overbuild. That and extra capacity, something most WISPs don't engineer > > for. > > The omnis are only for small areas, of a half mile or less. > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > > -------------------------------------------------- > From: "Jack Unger" <jun...@ask-wi.com> > Sent: Wednesday, January 07, 2009 1:34 PM > To: "WISPA General List" <wireless@wispa.org> > Subject: Re: [WISPA] Typical Sector count > > > Mike, > > > > Just my 2 cents worth (after 50 years of RF experience). > > > > In many cases, four 90-degree sectors is a waste of money. You will > have > > more sector overlap than need. Three 120-degree sectors is just as > > effective and costs less. > > > > A single omni is normally a bad idea. You have no protection from > > interference coming in from any direction. > > > > jack > > > > > > Mike Hammett wrote: > >> Since Patrick posed that question about cost for a typical 3 sector > >> tower, I ask the following question: > >> > >> How many sectors is typical for you? > >> > >> My answer is 4x 90*, unless it's a small area repeater, which is then > a > >> single omni, or different as that situation requires. > >> > >> > >> ----- > >> Mike Hammett > >> Intelligent Computing Solutions > >> http://www.ics-il.com > >> > >> > >> > >> > ------------------------------------------------------------------------ > -------- > >> WISPA Wants You! Join today! > >> http://signup.wispa.org/ > >> > ------------------------------------------------------------------------ > -------- > >> > >> WISPA Wireless List: wireless@wispa.org > >> > >> Subscribe/Unsubscribe: > >> http://lists.wispa.org/mailman/listinfo/wireless > >> > >> Archives: http://lists.wispa.org/pipermail/wireless/ > >> > >> > >> > >> > > > > -- > > Jack Unger - President, Ask-Wi.Com, Inc. > > Serving the Broadband Wireless Industry Since 1993 > > Cisco Press Author - "Deploying License-Free Wireless WANs" > > WISPs - Do you know where your customers are? > > For wireless coverage mapping see http://www.ask-wi.com/mapping > > FCC Lic. #PG-12-25133 LinkedIn Profile > > <http://www.linkedin.com/in/jackunger> > > Phone 818-227-4220 Email <jun...@ask-wi.com> > > > > > > > > > > > ------------------------------------------------------------------------ > -------- > > WISPA Wants You! Join today! > > http://signup.wispa.org/ > > > ------------------------------------------------------------------------ > -------- > > > > WISPA Wireless List: wireless@wispa.org > > > > 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: wireless@wispa.org > > 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: wireless@wispa.org > > 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: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
