One of the best working repeaters I have run across was located on the 
outskirts of Ft Worth Texas on a 1000 ft tower.  It used a single receive 
antenna at 1000 ft into a down converter that output on 10 meters.  Several 10 
meter receivers were connected to the RG-58 downlead in the radio room at the 
bottom of the tower.  Each transmitter used a separate antenna at 500 ft and it 
was one of the best coverage repeaters for the flatlands that I have seen.  I 
could reliably work it from 90 miles away with my mobile GE Prog.

Vertical split antennas can work very well indeed.

73 - Jim  W5ZIT

--- On Thu, 1/28/10, wb0goa <aero...@gmail.com> wrote:

From: wb0goa <aero...@gmail.com>
Subject: [Repeater-Builder] Duplexer vs Split Level Antennas
To: Repeater-Builder@yahoogroups.com
Date: Thursday, January 28, 2010, 1:49 PM







 



  


    
      
      
      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?





    
     

    
    


 



  






      

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