John, I haven't tried it much on 160 because it's kind of hard to tune, but I've gotten similar results on all the other bands you mentioned. Steve ----- Original Message ----- From: "John Miller" <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, November 28, 2012 19:28 Subject: Re: Cobra antennas > 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 >>>>> >>> >> >