Pat,
The antenna is approximately 130 feet long, so you'll probably be ok. Not
sure how much raising the center above the ends matters. I suspect the real
difference is in the overall antenna height above ground, where more height
is better.
Steve
----- Original Message -----
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, April 14, 2012 22:16
Subject: Re: Cobra Antenna
> Steve,
> What is the overall antenna length? I have a Carolina Windem at
> about 135 feet and just a bit more room, so perhaps I'll be
> okay. Should easily be up thirty feet, but not an inverted V; no way
> to get the center higher than the ends.
> But I will sure give it some thought and thanks a lot.
> Pat, K9JAUAt 08:06 PM 4/14/2012, you wrote:
>>Pat,
>>
>>I have had my Cobra Ultralite Senior up since May of 2004. It seems to
>>work
>>best for me on 75 and 40, and I get good signal reports from just about
>>every station I work on those bands. The instructions recommend that you
>>configure it as an inverted V, with the center at least 30 feet off the
>>ground, but in my yard, the antenna is about 20 feet high at each end and
>>sags to about 15 feet off the ground at its center. For this reason, I
>>suspect that it doesn't do as well for long distance as it could, but
>>unless
>>I figure out a way to raise the center up I won't be able to confirm that.
>>
>>Although the antenna is supposed to work on all bands 80 through 10, I'd
>>say
>>it doesn't perform above 20 meters as well as I'd like to see it. Maybe
>>it
>>would work better as an inverted V, but I have my doubts that it would be
>>a
>>great performer on the higher frequencies.
>>
>>The antenna is made of a light but very sturdy wire that looks very much
>>like three-conductor rotor cable. The lightness of the wire has allowed
>>the
>>antenna to stay up in winds around 50 MPH. It did finally come down last
>>October during a freak snow/ice storm, but the wire around the center
>>support looked weak so it may have been ready to break anyway. After all,
>>it had been up for over seven years, so I can't complain.
>>
>>I'm not sure what other information you want about the antenna, but I'll
>>be
>>happy to answer any questions you have.
>>
>>Steve
>>
>>----- Original Message -----
>>From: "Pat Byrne" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Saturday, April 14, 2012 11:15
>>Subject: Cobra Antenna
>>
>>
>> > My filing system has once again let me down!
>> > i think it is one of the Steves who has this antenna. i would like
>> > some information about it; we are doing some necesary tree trimming
>> > and I fear that my current Carolina Windem may fall victim because
>> > the rope that holds up one end is very enmeshed in a tree and
>> > probably can't be accessed to get the antenna down properly. So I
>> > shall take this misfortune as an opportunity and perhaps install
>> > something different. however, I am pleased with the Windem; up
>> > several flawless years.
>> > Thanks.
>> > Pat, K9JAU
>> >
>
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