If you don't want to go to all the trouble, check out W&EP's 600 ohm open wire
line.(http://www.trueladderline.com/). It's inexpensive and good quality.
I've used it for years.
Scott K4VWK
-----Original Message-----
>From: Wade Staggs <tvman1954@gmail.com>
>Sent: Jul 29, 2013 11:27 AM
>To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>Subject: Re: [TenTec] OT: Openwire/Window Line and Bad Wx
>
>Hello Rick,
> I did go to the archives and read the W1ZR article. It was
>pretty basic stuff. There is another source of info about Open Feeders.
>Just go to Google and search ... The Lure of Ladder Line .... We teach a
>beginners class for Technician and also the General Class here in Tennessee
>and I always hand out copies of this article and explain feed lines. Is it
>just me ... or has the good old Open Feeder type of feed line ( Ladder Line
>) been making a come back? Guess I will be investing in some 14 gauge wire
>and some type of spreaders. Thanks ...
>
> Wade/KJ4WS
>I wonder if Epay has any old fashioned Dog Bones for sale?
>
>On Mon, Jul 29, 2013 at 3:54 AM, Rick - DJ0IP / NJ0IP <Rick@dj0ip.de> wrote:
>
>> I extracted this topic from the other thread on the Model 238.
>>
>> How does bad weather affect openwire compared to its effect on window line?
>> Lots of opinions, lots of myths.
>>
>> Bob Allison (WB1CGM) and Joel Hallas (W1ZR) tested this to find out.
>> Their results are reported in the November 2009 issue of QST on page 66.
>> See: http://www.dj0ip.de/spiderbeam-1/spiderpole/pole-base-mount/ and then
>> select "W1ZR" as author and "2009" as year.
>> Unfortunately you have to be a member of ARRL to download this and it is
>> copyrighted, otherwise I would post the download on my web.
>>
>> Summary, for 95 ft. of feedline (the length they tested), the change is
>> negligible in both.
>> It is ever so slightly worse with window line, but less than 0.2dB.
>> NEGLIGIBLE!
>>
>> The real difference is, true openwire changes it impedance only slightly
>> when wet, whereas the window line changes more and generally requires
>> re-tuning the matchbox.
>>
>> One word of caution, which should be obvious: Neither are suitable for
>> running along the ground, whether wet or dry!
>>
>> Being an operwire fanatic, I personally found this to be one of the most
>> useful articles ever published in QST.
>>
>> 73
>> Rick, DJ0IP
>>
>>
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>>
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