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.
>
>
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