[TowerTalk] Broadbanding 80m Dipoles, Monopoles, and Loops

[Bryan Swadener]

On 80m, my 4-wire cage inverted vee plays VERY well, and the 2:1
VSWR bandwidth is 500 kHz. Since the coax feedline is about 85',
I surmised it'd also work as a vertical w/ top hat on 160m (against
some radials). It does. I use a vacuum SPDT relay (12 VDC coil)
to do the switching. A bias tee connected to the shack 13.8V power
supply) is used to drive the relay thru the coax.


A free program on smeter.net (http://www.smeter.net/antennas/wire-cage-dipole.php)
can be used to work up a design. Images and details of mine can be found on my
Flickr page: http://www.tinyurl.com/wa7prc-80m-160m
vy 73,
Bryan WA7PRC

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Date: Fri, 12 Oct 2018 02:20:47 -0700
From: Dan AC6LA
To: towertalk <towertalk at contesting.com>
Subject: [TowerTalk] Broadbanding 80m Dipoles, Monopoles, and Loops


Here is a follow-up to the question posed a month ago by Guido,
IK2BCP, concerning the 80m DX special dipole:

http://forums.qrz.com/index.php?threads/broadbanding-80m-dipoles-monopoles-and-loops.630818/

Dan, AC6LA