Might have been better to run more than one transmit antenna... that's what I try to do in similar applications. There are also quite a few different types of close spaced combiners...
cheers, skipp > Jamey Wright <[EMAIL PROTECTED]> wrote: > > I'd love to only have 2.5 dB loss. We're over 5 dB here on our 10 channel site but some of our freqs are 250 kHz apart too (800 MHz Trunked). > > 100W through the combiner and through 300 Ft of 1 5/8 cable (plus Polyphaser, jumpers, connectors, etc) yields between 15 and 20 watts (calculated) at the top of the tower. > > Jamey Wright > Systems Analyst/EDACS Administrator > Morgan County EMCD 911 > Decatur, AL > 256-552-0911 > > > Amen Paul, > > > > In the real commercial radio world... when working on or into > > combiner systems... some people would give their first born to > > have less than 2.5 dB loss per channel. > > > > Although the entire path to the antenna can be a lossy son of > > a gun, it is the only real game in town worth playing. > > > > cheers, > > s. > > > > > "Paul Plack" <pwplack@> wrote: > > > > > > Using an isolator between a 100-watt transmitter and a perfectly > > matched antenna still only gets you 90 watts out. A typical isolator > > loses 0.5 dB on the forward path. > > > > > > 73, > > > Paul, AE4KR > > > > > > > > ------------------------------------ > > > > > > > > Yahoo! Groups Links > > > > > > >
