BLIND-HAMS Archives

For blind ham radio operators

BLIND-HAMS@LISTSERV.ICORS.ORG

Options: Use Forum View

Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Pat Byrne <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Tue, 26 Nov 2013 17:32:17 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (49 lines)
Howard,
Shouldn't that square of ladder line be outside?!  It should work 
better, but I bet it wouldn't!  Don't mess with success!  Or, if it 
ain't broke, don't fix it!
Pat, K9JAUAt 07:52 AM 11/26/2013, you wrote:
>Well Fred, this antenna breaks every rule in the books, its been up for 20
>years, and I had to reconnect the feedline once.
>My lot is 44 by 112 feet.  The challenge was to put up one antenna that
>would work on 160 through 10 meters.  It gets out on 6 when the band is
>open, but that wasn't in the plan.
>Their was an article about all band antennas, and the guy figured out using
>an antenna annalizer, that a 176 feet long dipole fed with ballenced line
>through a balun and tuner, gave the most gain and least losses over the 9 HF
>bands.  Well, that's great!  How do I fit this in a 112 foot lot?
>I got the center up 45 feet with a 10 foot tripod and 10 feet of mast on a
>two story house.  Then I ran the wire out to a tree in back, and a tree
>generously provided by the City of Milwaukee near the street.  I then took
>the extra wire and made a Print J across the back yard to the garage in
>back.  The front is a hairpin back to the lower corner of the house roof.
>So it's kind of an inverted Z.
>Since most of the energy comes off the center of the antenna, no problem.
>Now the feedline, it comes down to the shack in the basement.  I tried
>terminating it in an air balun just inside the house.  It didn't work on
>160, but when I added the twin lead to make the total length around 81 feet,
>it gained 10 DB on 160.
>Then I ran that feedline in a square 10 feet on a side around the shack.  I
>hung it from the ceiling with hooks, and attached the line with loose zip
>ties.
>The balun runs in to an MFJ 989 tuner, to a coaxial switch, and then to each
>of the three stations.
>I need the external tuner on the top halves of 160 and 75, 60, and 40
>meters.  Everything else can be tuned by the tuner in the ts-480.  The
>Internal tuner will handle anything under 6-1.
>I bought an imax 2000 for 10 12 and 15 meters.  The noise level is so much
>higher, that this Inverted Z works better even on those bands.
>I guess I do what I can with what I have.
>Oh, the three stations are,
>1.  ts-480 SAT.
>2.  Tentec Omni D.
>3.  Johnson Valiant and SX71.
>Their is room on the switch for another radio.
>It keeps calling for one.
>
>
>---
>This email is free from viruses and malware because avast! Antivirus 
>protection is active.
>http://www.avast.com

ATOM RSS1 RSS2