--- In [email protected], "Jeff DePolo" <j...@...> wrote: >I would go for 2 antennas. Look at your set-up and determine the spaciing >needing along with some filters. Should be a great system. Wish I had some >tower access like that. Sid WA4VBC
> > > Have chance to install a DB 224 at 450' and another one > > anywhere below it. Using LDF6 on both runs. RF solid state > > 110 watts out. Wanting to know the pros or cons of running > > both antenna close together for more height with duplexer or > > spacing antennas for isolation without duplexer? > > All other things being equal, I'd take split antennas over duplexing any > day. But I'd never connect a transmitter (or a receiver for that matter) > directly to an antenna without proper filtering. So if you're asking if > it's "OK" to just connect the transmitter and receiver to separate antennas > and let 'er rip, my answer would be no, don't do that. > > Assuming you already have a suitable duplexer, split it in half (remove the > antenna tee), and use it as two separate filters to connect to the two > separate antennas. Space the antennas some nominal amount (greater spacing > = more isolation, but also more disparity between Tx and Rx coverage), and > you'll do quite well and have far fewer issues and sources of aggrevation in > the long run as compared to duplexing on a common antenna. > > --- Jeff WN3A >
