[TowerTalk] 6 meter 6 element Telrex

[Steve Katz]

Not 1/4-wave!  That would feed your driven element with a 90 degree phase
shift between the two sides...

Should be 1/2-wave, 50 Ohms, calculated for velocity factor.  At 50.125 MHz
using RG-213/U, that would be 77-3/4" long.

The 6M624 beam has a 24' boom and optimum stacking distance is ~15'6"
between booms.

WB2WIK/6

-----Original Message-----
From: Joe Barnes [mailto:n4jbk at bellsouth.net] 
Sent: Thursday, July 05, 2007 9:10 PM
To: towertalk at contesting.com
Subject: [TowerTalk] 6 meter 6 element Telrex

I have 2 of the 6 element Telrex  6 meter beams I want to get up, 
however the coax loop that goes between the sides of the driven elements 
and ground is missing.Does anyone know what type of coax ( impedance) 
was used for this. I am guessing that it is a 1/4 wave, calculated with 
velocity factor,  piece of 50 ohm coax ( rg213 etc). Can anyone confirm 
or deny this please? Also I was told to stack these antennas 13-14 feet 
apart, again any info? Thank you, Joe N4JBK

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