Which antenna did you use? -RickG On Fri, Jan 29, 2010 at 6:03 PM, John Thomas <[email protected]> wrote:
> We have mounted omnis upside down because an omni pattern tends to > radiate from the base of the antenna upward. By turning the antenna > upside down, it becomes slight better at receiving and sending. That, > and Cisco 1500's make it easy to do... > > John > > RickG wrote: > > Thanks! > > Is there any advantage for a WISP to do this? > > -RickG > > > > On Wed, Jan 27, 2010 at 4:02 PM, Eje Gustafsson <[email protected]> > wrote: > > > > > >> Those are more than likely cell phone sites that have those big whip > >> antennas going up and down (believe they are 800Mhz frequency range > >> systems) > >> My understanding it has one out of two reasons why they are built like > >> that. > >> Antenna diversion or increased base station density. > >> Have one not too far from me that has a crown with a total of 6 omni's. > 3 > >> up > >> and 3 down, mounted on a triangular crown. Those omnis are massive and > my > >> guess are they are at least 10-15 feet it's hard to tell because the > access > >> road is blocked and I never walked down to get close enough to compare > to > >> the tower leg joints. > >> > >> / Eje > >> > >> -----Original Message----- > >> From: [email protected] [mailto:[email protected]] On > >> Behalf Of RickG > >> Sent: Wednesday, January 27, 2010 2:55 PM > >> To: WISPA General List > >> Subject: [WISPA] omni upside down > >> > >> While traveling around, I've noticed a few towers with omnis mounted > upside > >> down with a neighbor omni mounted right side up. Whats the purpose in > this? > >> -RickG > >> > >> > >> > >> > ---------------------------------------------------------------------------- > >> ---- > >> 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! 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/
