Recent events have me wanting to try luck somewhere else.
-----Original Message-----
From: Matthew Chao
Sent: Monday, August 17, 2015 11:50 AM
To: [log in to unmask]
Subject: Re: Question About Cobra Ultralite Senior Antenna
Hi, John. You got that right regarding equal opportunity. Believe
that's a pervasive problem for us all over the country.--Matt, N1IBB.
At 11:41 AM 8/17/2015, you wrote:
>When I had mine, I found the ladder line needs to be in figure 8's in
>different directions, not loops together or anything like that. I also
>found
>that 10 to 15 feet off the ladder line had no effect on it at all. In fact,
>when I got mine, they came with 100 feet of ladder line. They now come with
>70 feet and I think I went all the way back to that 70 feet on mine and
>actually found some improvement. Also ladder line can't be near anything
>metal. Honestly though I never really had any issue with mine and miss it a
>lot but I don't have 140 feet to string it where I live now even corner to
>corner of the lot. I tried. I loved that antenna and if I move where I have
>some land again, believe me, I'll buy another one. I sold that one to
>someone who really wanted it because I don't see a move any time soon
>unless
>I get a job in another part of the country which I hope to since around
>here
>equal opportunity employment means nothing.
>
>-----Original Message-----
>From: Tom Behler
>Sent: Monday, August 17, 2015 10:13 AM
>To: [log in to unmask]
>Subject: Question About Cobra Ultralite Senior Antenna
>
>Hello, everyone.
>
>
>
>I guess this question is best directed to those who are familiar with the
>Cobra Ultralite Senior antenna made by K1JEC, but I'll take thoughts from
>anyone who is interested in replying.
>
>
>
>Several years ago, I purchased a Cobra Ultralite Senior antenna from K1JEC,
>or Granite State Antenna in New Hampshire. My main reason for making the
>purchase was to have operating capability on 80 and 160 meters. The
>antenna
>itself is up about 35 to 40 feet, and is strung between trees on my
>property, and on a neighbor's property.
>
>
>
>The antenna works well on 80 meters, and much of 160 meters, when tuned
>with
>my MFJ 998 auto-tuner.
>
>
>
>However, I have never been able to get it to tune on 40 meters. In
>addition, the tuning and performance are questionable at best on 20, 15,
>and
>10 meters. In fact, one problem I have noticed recently is that when
>tuning
>it on 20 meters, using my MFJ998 auto-tuner and my ALS600, I actually get
>RF
>coming through the PTT switch on my Heil gold line mic. This, of course,
>is
>not good.
>
>
>
>All of this is prompting me to try to correct the situation.
>
>
>
>Several months ago, I contacted Joe at Granite State Antenna in New
>Hampshire, and he suggested that I make sure the excess ladder line is
>coiled in several loops, and is off the ground. I just double-checked this,
>and it is what we did when we installed the antenna.
>
>
>
>A ham friend of mine has suggested that I cut off the excess ladderline,
>and
>see if that helps.
>
>
>
>I am reluctant to do this, because the instructions say not to do so, and
>it
>is one of those steps that will be difficult to reverse.
>
>
>
>I am thinking of purchasing some RF chokes to help with the issue, bbut I
>still think there is a basic problem with my instalation.
>
>
>
>Fortunately, my Alpha Delta DXCC tunes well on40 through 10 meters, but it
>would be nice if I could get the Cobra to do the same.
>
>
>
>Any thoughts on this would be appreciated.
>
>
>
>Tom Behler: KB8TYJ
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