Mine was great on 160, probably not the best but it worked well for me.
Higher in frequency than 20 meters did hurt a little based on the A99 I had
up but for 20, 40, 80, and 160, which is where I am most of the time anyway,
well, not so much 160, but anyway, it worked very well.
----- Original Message -----
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, November 28, 2012 4:19 PM
Subject: Re: Cobra antennas
> Tom,
>
> My Ultralite Senior has been up with no center support since the spring of
> 2004, and survived quite well until it broke last year. The instructions
> recommend that you install the antenna with a center support, but I
> haven't
> figured out a practical way to do that here so I just don't worry about
> it.
> You've heard me on 40 and 20, so you know what kind of a signal I have.
> My
> only complaint with this antenna is that I don't think it performs well
> above 20 meters, but that's probably the fault of the installation. I
> haven't tried it on 160 because it's a bit hard to tune; again, it might
> work better if I could raise the center. Nevertheless, the antenna is
> quite
> well made, and has held up through several New England winters.
>
> Steve
>
> ----- Original Message -----
> From: "John Miller" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, November 28, 2012 08:26
> Subject: Re: Cobra antennas
>
>
>> You can support the center, it's probably a good idea but it's such a
>> light
>> antenna, my friend with 2 of them has one just hanging by the ends and
>> with
>> New England winters it's been that way for about 7 years now.
>> ----- Original Message -----
>> From: "Tom Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, November 28, 2012 7:03 AM
>> Subject: Re: Cobra antennas
>>
>>
>>> John:
>>>
>>> How do you support it at the center, or is that not required?
>>>
>>> Just thinking about my situation here, and ease or difficulty of
>>> installation.
>>>
>>> Tom Behler; KB8TYJ
>>>
>>> ----- Original Message -----
>>> From: "John Miller" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Tuesday, November 27, 2012 11:04 PM
>>> Subject: Re: Cobra antennas
>>>
>>>
>>>> The cobra ultralite has 2 or 3 versions, I've used the Sr. which is 140
>>>> feet
>>>> long and loved it, I really wish I had room for it here but I don't.
>>>> The
>>>> Jr.
>>>> is the same thing but shorter, I forget by how much and doesn't cover
>>>> 160,
>>>> it covers through 80 and I'd imagine works great. I do know a couple
>>>> people
>>>> running them and they like them, it's a little pricier than some but if
>>>> I
>>>> had the money I'd probably try the shorter one here based on how much I
>>>> liked the big one. It's fed with ladder line and you really can't
>>>> shorten
>>>> the ladder line by much, a little won't hurt but you have to make
>>>> figure
>>>> 8's
>>>> if the ladder line is too long. I think it's 70 feet of ladder line
>>>> which
>>>> would be another issue where I am now but I ran that in almost to the
>>>> radio
>>>> where I used to live and that's so far the best antenna I've ever used.
>>>> I
>>>> can't see why the shorter one wouldn't be just as good for what it
>>>> does.
>>>> I
>>>> had one, a friend of mine who turned me on to them actually has 2 up,
>>>> one
>>>> pointing north and south, one going east to west, a friend who helped
>>>> me
>>>> put
>>>> mine up went out and bought one because he liked it and he's very happy
>>>> with
>>>> it, and I know of several others running them. So far I've only heard
>>>> of
>>>> one
>>>> breaking and that was installer's error, they are well made and really
>>>> perform, I even did an A/B test with my old G5RV and it blew the G5RV
>>>> away
>>>> noticeably. I can't say enough good things about it.
>>>> ----- Original Message -----
>>>> From: "Tom Behler" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Tuesday, November 27, 2012 9:22 PM
>>>> Subject: Cobra antennas
>>>>
>>>>
>>>>> Hi, all.
>>>>>
>>>>> Please forgive me, since I know this antenna has been discussed on
>>>>> the
>>>>> list
>>>>> before in various forms. But, I am needing some basic info from the
>>>>> perspective of someone who has actually used one.
>>>>>
>>>>> Here's the deal:
>>>>>
>>>>> As some of you know, for reasons I can't quite understand, I have been
>>>>> having trouble getting my W8AMZ 80-meter half sloper to work well on
>>>>> 80
>>>>> meters. The SWR's for most of the band are at least 3 or 4 to 1,
>>>>> except
>>>>> for
>>>>> about 100 KHZ between 3.850 and 3.950, where they are below 2.1 to
>>>>> 1.
>>>>> Based on the better luck I'm having with the 160-meter sloper made by
>>>>> the
>>>>> same company, I'm convinced that there is either something wrong with
>>>>> the
>>>>> antenna, or something in my installation that is throwing things off.
>>>>> Tom
>>>>> (W8AMZ) himself has actually volunteered to come to my home QTH
>>>>> sometime
>>>>> to
>>>>> try to assess things. He is about an hour and a half from me, so it's
>>>>> a
>>>>> trip that will have to be planned by him when he has the free time.
>>>>>
>>>>> Since I'm not sure when that trip will occur, I'm thinking about other
>>>>> alternative antennas that might be easily put up and relatively
>>>>> inexpensive. I don't have a lot of room to put up another antenna,
>>>>> but
>>>>> I
>>>>> probably could handle an antenna that was approximately 100 feet in
>>>>> length.
>>>>> Again, my main band of concern is 80 meters.
>>>>>
>>>>> I believe that some folks on here have used an antenna called the
>>>>> Cobra,
>>>>> or
>>>>> Cobra Lite. If you have used this antenna, could you please describe
>>>>> it
>>>>> to
>>>>> me, tell me how you put it up, state any special installation
>>>>> considerations
>>>>> I might need to take into account, and tell me whether it worked well
>>>>> on
>>>>> 80
>>>>> meters?
>>>>>
>>>>> I am not sure of the price of that type of antenna, but I'm sure I
>>>>> could
>>>>> get
>>>>> that info from the Cobra web site via a google search.
>>>>>
>>>>> I simply don't want to spend money on yet another antenna, unless I
>>>>> have
>>>>> some assurance from someone who has actually used it, that the antenna
>>>>> might
>>>>> be a good alternative for me.
>>>>>
>>>>> Thanks, and 73 from Tom Behler: KB8TYJ
>>>>
>>
>
|
