Hi Brian, I have found that 10 to 15 feet between the bottom of the RX antenna (mounted high) and the top of the TX antenna (mounted low) works pretty well, if you have Pass Cavities on both RX and TX. But more is always betterm say 20 or 30 feet.
Actally, I have had a repeater on UHF (448.800) where I have an 8-pole Sinclair RX right-side up, and on the same two-pole mounting crossbar I have a 4-pole Sinclair TX antenna mounted inverted (upside down) and it has worked wonderfully for 16 years. The key is good Pass Cavities on both RX and TX. Good luck, Shorty, K6JSI [EMAIL PROTECTED] Hi All! What's the recommended distances for 440 for vertical separation? Horizontal? I know we've discussed it here ....... just cant find it! 73, Brian, WD9HSY 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/