I took it he meant that as well. In further thought, I suppose the high gain omni is also picking up noise & interference from further out as well. Many times, I can see several of my towers from anywhere in the county. Heck, I probably have self-interference! Buying a company is like buying a used car, you end up with somebody elses problems! So, what about sector arrays with downtilt? Thanks! -RickG
On Mon, Feb 23, 2009 at 8:47 AM, Rick Harnish <rharn...@wispa.org> wrote: > Actually, I disagree with Marlon on this one. The higher the gain on the > antenna, the narrower the beamwidth. Therefore, many times your main lobe > is shooting over the top of your clients. We have had better success with > lower gain omni's because the beamwidth is wider and more usable signal > reaches the client radios. I guess Marlon is correct if he means that the > main lobe is shooting above (up) the clients, if that is what he meant, > then > he is correct. > > Rick > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of RickG > Sent: Monday, February 23, 2009 12:24 AM > To: WISPA General List > Subject: Re: [WISPA] tower issue > > Marlon, > > I was thinking about what you said about high gain omni antennas sending > more signal UP. With respect to direction, what's the difference between > between a high gain unit and a lower gain unit? > > -RickG > > On Sun, Feb 22, 2009 at 10:34 PM, Marlon K. Schafer > <o...@odessaoffice.com>wrote: > > > Not sure if it's related or not, but high gain omni antennas are usually > a > > great big no no. They tend to send more signal UP than in the direction > of > > the customers. > > > > I'd replace it with an 8 or 9 db unit just on principal. You'll probably > > find that most customers will actually get a BETTER signal. > > > > laters, > > marlon > > > > ----- Original Message ----- > > From: "RickG" <rgunder...@gmail.com> > > To: "WISPA General List" <wireless@wispa.org> > > Sent: Sunday, February 22, 2009 7:23 PM > > Subject: [WISPA] tower issue > > > > > > > OK, here a good one! (aka, how I spent my weekend in a blizzard!) > > > > > > One of my towers has a single WARP/StarOS connected to a 5GHz grid for > > > backhaul and a 15dBi omni for the local connections. > > > On Saturday, after making some small changes, I rebooted it and it > would > > > not > > > allow me to connect via wireless any longer - or my customers :( > > > So, I go to the tower, connect up via ethernet and everything is a > usual > > > but > > > I see all associations but only a few client have ip addresses. I can > > ping > > > the few clients but the packet loss is huge 80-90%. I then reload my > > > backup > > > but still get the same thing. I try changing channels, but still the > > same. > > > I > > > then systematically begin replacing parts starting with the radio card. > > > Eventually, I replaced EVERYTHING but still have the problem. One note: > > > occasionally, twice of maybe three times, after a reboot, all came back > > > normal. The third time, I left well enough alone for now but of course, > > > you > > > know what will happen the next time I reboot. > > > > > > Any ideas??? > > > > > > -RickG > > > > > > > > > > > > > ---------------------------------------------------------------------------- > ---- > > > 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/ > -------------------------------------------------------------------------------- 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/
