I would use a metal mast,put a screen between the elements and tune it for minimum transfer of signal. You will still probably need at least a couple of cavities. Why dont you just buy a mobile duplexer? They are cheap enough if you look around. Less than $50 in most cases and less messing around in the field once they are tuned up. 73,Lee > > > hi all > > > > > > can any on give me any ideas on stacking > > > coax dipole in it`s nall pount. > > > http://www.qsl.net/ve3sqb/ > > > the coax dipols work realy good and match up to 50 > > > ohm > > > with a flat match real easy first try." and yes > > > cheap" > > > > > > it is for gmrs 462mhz repeater on a field trip > > > "no duplexer" > > > useing 5 w to 25 w what ever i can get away with. > > > > > > i was told that stacking them two meters should be > > > ok > > > the rx on the top and the tx at bottom "is this > > > right?" > > > > > > i would think a peace wood would be ok , but how to > > > run the > > > coax from the rx antenna on top down pass the tx > > > antenna ? > > > > > > > > > has any one ever try this befor,can you tell me how > > > it > > > work out, > > > > > > any help would be wolcome > > > > > > thanks > > > rob
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