I should have mentioned this earlier.
John Lyles wrote:
> My 1960s Rohn catalog shows the upper guys usually connected to the top of
> their towers. Current Rohn literature shows it down about 5 feet from the
> top. One obvious advantage of this is that it give you a little more space
> when installing a big antenna, when you are trying to swing the elements from
> vertical to horizontal while clearing those guys.
>
>
In that case I'd much rather have the guys at the top than a ways down.
They are easier to rotate around while also rotating the antenna, but as
I said in the other answer I much prefer to use a tram line, but oft
times there isn't room.
73
Roger (K8RI)
> Today I got the last section up for mine using Ginpole, top is at 45 feet. I
> installed a "Norms Fabrication" guy bracket up at 40 feet. That bracket isn't
> a perfect fit like the OEM bracket, but I think it'll do. Got one Phillystran
> guy up, but not tensioned, when a major storm front swept in. 30MPH gusts. A
> few hours ago I tried to climb up and fasten #2 and 3 guy to the bracket but
> the rockin and rollin of that 23 feet above the first guys convinced me
> otherwise. Expecting some snow later, and the wind is dying down now.
>
> 73
> John
> K5PRO
>
>
>
>> Date: Fri, 12 Dec 2008 17:30:45 -0800
>> From: jimlux <jimlux@earthlink.net>
>> Subject: Re: [TowerTalk] tower talk
>> To: Donald Hofmann <electroubleshooter@hotmail.com>
>> Cc: towertalk@contesting.com, k4za@juno.com
>> Message-ID: <49431045.90900@earthlink.net>
>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>
>> Donald Hofmann wrote:
>> Concerning guy wire spacing, from what I have read
>>
>>> 60-80% is ok. Mine would be right at 70%. The ARRL Antenna book
>>> recommends the guys at the top of the tower instead of 5' down as
>>> Rohn says.
>>>
>> The lxc prime directive is "do what the mfr says".. does the ARRL book
>> give a reason why and any analysis to support it.
>>
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|