Maybe Jeff or someone could explain the math here. I find it difficult to believe one needs to run 200 watts for reciprocal coverage to a typical mobile. And that's ignoring where I live, you'll never get frequency coordination for that much power anyway.
Chuck WB2EDV Kevin Custer wrote: > >> Gee- do you really need 150 watts? > > > Most of the UHF installations I have seen, that employed a decent > receiver with preamp, could have easily used 150 + watts to be > matched. I know of several GE Mastr II UHF 200 watt repeaters, using > good preamps, that are matched in performance with a 35 watt mobile. > They are single receiver systems using a duplexer and a single antenna. > > Jeff DePolo has one of these Mastr II, 200 watt UHF's at one of my > higher profile sites, and it works great with my 35 watt mobile. > > With multiple receiver sites on UHF, I'd consider a system with 3 - > 400 watts transmitter power; realizing you may not be able to duplex > with one antenna unless you have (1) a duplexer that will take the > power, (2) a tube amplifier to insure low TX sideband noise, (3) > enough duplexer isolation to protect the preamp, if used. > > YMMV > Kevin Custer > > > > > > > > ------------------------------------------------------------------------ > YAHOO! GROUPS LINKS > > * Visit your group "Repeater-Builder > <http://groups.yahoo.com/group/Repeater-Builder>" on the web. > > * To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > > * Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service <http://docs.yahoo.com/info/terms/>. > > > ------------------------------------------------------------------------ > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
