[600MRG] modeling tutorial

Mon Sep 7 23:48:40 CDT 2015

Didn't read careful enough: he is two years older and actually 
licensed in 1957.

Ed

At 04:55 PM 9/7/2015, Edward R Cole wrote:
>Check out:
>https://www.qrz.com/db/AL7N
>
>Note he is the Section Traffic Mgr for AK (CW net).  He and I both 
>got our first licenses in 1958 and retired in 2009 (not sure of his 
>age).  I know of him but not personally acquainted.
>
>73, Ed - KL7UW
>
>At 04:26 PM 9/7/2015, Kenneth G. Gordon wrote:
>>On 7 Sep 2015 at 18:45, D.J.J. Ring, Jr. wrote:
>>
>> > AL7N is a fellow with lots of 600m experience, he was one of the last WT
>> > operators at Alascom's WKR Nome Radio installation in the 1980s.
>> >
>> > http://radiomarine.org/gallery/show?keyword=WKRIRT&panel=pab1_7
>> >
>> > Nome Radio/WKR was once part of the US military 
>> "Washington-Alaska Military
>> > Cable and Telegraph System" (Affectionately referred to as "WAMCATS".
>>
>>Gee...I had no idea. Ed and I have been friends for some time now. I cannot
>>remember when he and I first got together. He has sent me photos of his
>>home-brew equipment. He builds a lot of it, except, perhaps, his receivers.
>>
>> > How long ago did his antenna system get upgraded?  He has had a 
>> very good to
>> > excellent signal on 14050.0 kHz for quite a long time.
>>
>>Within the last year. Possibly a year ago. I can't remember at this 
>>point. After
>>all I'm 73 now. :-)
>>
>> > What is he running?
>>
>>On 20, I think he is using some sort of fairly modern rig which will output
>>about 50 watts. Ten-Tec, I think. I can go back through my e-mails from him
>>to take a look if you wish. He has told me that he really cannot afford any
>>really modern gear, and he doesn't like the way they operate anyway.
>>
>> >  If he isn't using a beam pointed this way,
>>
>>No. He isn't, unless he changed to that very recently. He has neither the
>>room nor the support for such.
>>
>> > I'm really
>> > impressed as I've called him without a schedule on that 
>> frequency he listens
>> > there and 3550, 7050 and 14050 like a coast station!
>>
>>Yes. He monitors those frequencies 24/7/365. He has speakers in every
>>room in his home which he feels should have one. I've even gotten him out
>>of bed once. :-)
>>
>> >  He came up and had a 589
>> > signal sometimes, mostly 56 to 579 which is a great signal into 
>> Massachusetts
>> > from Fairbanks where he now resides.
>>
>>Yup. :-)
>>
>>What he was using for an antenna before we got together was a sort of low
>>Vee-Beam of his own design, fed with open-wire line. He was using some
>>sort of resistors at the low ends to connect them to ground.
>>
>>According to the (first) EZNEC models which were run for us by Mel Ferrer
>>K6KBE, then (second) my own MMANA-GAL models, his antenna, at the
>>frequencies he was using it, was losing most of its radiation into 
>>the ground.
>>It really was a "worm-warmer". Even without the resistive terminations it was
>>very inefficient.
>>
>>After doing some more modeling, we advised him to build an open-wire-line
>>fed inverted-Vee. On his small property, the legs were pretty short, about 33
>>feet long each. We advised him to put it up as high as he could get 
>>it. I can't
>>remember the height, but it really isn't very high.
>>
>>His coupler, which he built, is excellent, and he can match the 
>>antenna to his
>>rig on 80 through 10 meters, although it seems to work best on 20.
>>
>>There are at least two folks in Washington and Oregon who routinely pass
>>traffic from RN7 to him: W7GB, and W7IZ. Sometimes, K7BFL does also. He
>>is RN7's Alaska liason station. GB and IZ have commented favorably on the
>>results of his "new" antenna. It has made their job much easier.
>>
>>He has also built a small rig using an 829B for 30 meters. I sent him some of
>>the parts for it: the tube (NIB), a socket and  (I think) a power 
>>transformer.
>>
>>He is one sharp cookie, and a very fine operator. His fist is just 
>>beautiful, and
>>he can hear signals that are so weak that very few other ops could hear
>>them, let alone take traffic like he does.
>>
>>I only wish he lived on a piece of property with a bit more room and out of
>>town. I also wish he had some better equipment. It would really be nice to
>>have him on 600 meters.
>>
>>He has always impressed me, and until you gave me the info above, I had
>>no idea at all of his past history.
>>
>>Thanks, DJ.
>>
>>Ken W7EKB
>>
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>
>73, Ed - KL7UW
>http://www.kl7uw.com
>     "Kits made by KL7UW"
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>
>
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73, Ed - KL7UW
http://www.kl7uw.com
     "Kits made by KL7UW"
Dubus Mag business:
     dubususa at gmail.com