Screwdriver Antenna, Not Really Off Topic

[Jeff Jones k3kyr]

Dick, Why not make a center-fed zepp type antenna, using insulated elec 
wire, such as #12 thhn/thwn solid copper wire. Feed it with 450 ohm ladder 
line and, either a transmatch capable of accepting balanced feeders, or use 
a 4 to 1 balun just outside radio room, then run a relativly short piece of 
coax (perhaps 10 ft or so) to tuner.
That way you should be able to string the antenna through the trees. You 
will find that the settings on the transmatch will change with outside 
element changes, but it would be much much better than a screwdriver 
antenna. Good luck, Jeff k3kyr at arrl.net
----- Original Message ----- 
From: "Donley" <donley.r at INSIGHTBB.COM>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Thursday, October 11, 2007 11:27 AM
Subject: [HEATH-TEMPE] Screwdriver Antenna, Not Really Off Topic


This may be slightly off topic, but where can one get antenna related 
information except from other hams.

Does anyone have any experience with this type of antenna? I am looking for 
a small, tunable antenna for 80-10 meter coverage in a small package. I have 
an extremely wooded lot with no room for a dipole. I am also considering 
this type for mobile and portable operation.

Any comments about reliability, usefulness and functionality would be 
appreciated. Any information about specific manufacturers would also be 
appreciated.

Dick
KC9UB

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