Rob Dennis wrote in a message to Henry Edginton:
 RD>  How much gain are you looking for Henry?
 RD>  A commercial Cushcraft 13B-2,2m beam (13 elements) is 15db
 RD> gain,with a total boom length of 15 feet and fed with a
 RD> matching co-ax transformer.  Sound like something you want a
 RD> design for?
I have a 15.5 foot boom 11 element beam now,What I am refering to is the high 
gain omni's like diamond 500,Sinclair and like the station master used for 
alot of repeaters.I have tons of stuff on beams however i am also looking for 
a program to design qubical quads for vhf & up for 5 to 20 elements.I have 
seen nothing at all anywhere on high gain omni's & that surprises me.
Greetings from (ve3umk@niagara.com) 
--- GEcho 1.11+
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