We will be sectorizing our 900 gear with three 120 degree dual polarized antennas. Are there any specifics on the placement of these antennas? They will be depoyed on top of a huge water tower and any input would be greatly appreciated.
If there are any other transmitters on the water tower, you have the potential for desensing on the Canopy receivers, especially from paging and cellular. If there are other antennas on top of the tank, you’ll be better off putting yours below the tank.
Also, you increase the likelyhood for interference from other sources, even a couple miles away, by not sticking to horizontal polarization.
you will be much happier with horiz only. sending dual polarization will decrease your power on each by 50% btw