[TenTec] Eagle Tuner

[Rodney]

M y Dad used a 40m double extended Zepp for years so did most of the Hams he 
talked too. I use a 80m double extended Zepp up 70ft. works great on 
160,80,40,20,15, 10 meters

-----Original Message----- 
From: Stuart Rohre
Sent: Tuesday, September 09, 2014 6:57 PM
To: tentec at contesting.com
Subject: Re: [TenTec] Eagle Tuner

Indeed the Zepp antenna used in early ham days was the half wave end fed
with a quarter wave of open wire line at right angles to the shack, for
matching.  To transform the high end impedance of the dipole to a more
reasonable value for feeding from the rig tank circuit. On a Zeppelin,
it would hang straight down.  In modern times, it has been used on 2
meters as the J-Pole antenna, "upside down" to the orientation on the Z
ship, with the feed point below the J-pole.  But the antenna Physics
work in either direction.

Extended Zepps and Double Zepps have 5/8 wavelength radiators, with the
double Zepp being center fed with open wire line.  These make nice gain
antennas, especially the Double Zepp.

Stuart Rohre
K5KVH

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