Are the two antennas pointed the same direction? If they are back to back, I'd guess that your results are what I'd expect.
Chuck WB2EDV ----- Original Message ----- From: "Matt" <kc7...@hotmail.com> To: <Repeater-Builder@yahoogroups.com> Sent: Friday, October 09, 2009 2:29 PM Subject: [Repeater-Builder] feeding two 120 degree sector antennas >I am experimenting with some 3 Ghz antennas. I have a 2 way power divider >feeding two 120 degree sector antennas rated at 15 dBi each. I have a 11 >dBi omni that I am comparing it too. It seems the omni is getting better >performance then the array is. I am seeing more than a 4 dB difference, >loss. My goal is to get more down tilt in my antenna pattern, as the >sectors offer a mechanical down tilt. > > Am I doing something wrong? > > I am feeding the antennas with LMR400 and feed is short as possible. Each > feed from the divider is 15 inches long to the antenna. The insertion loss > in the divider is <0.4 dBi according to the spec sheet. > > Thanks in advance, > > Matthew > > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
