[600MRG] modeling tutorial

Tue Sep 8 08:28:01 CDT 2015

ROWH is Royal Order of Wouf Hong.

Took me a while to figure that out.

We should get him on 600m - he probably has the WKR transmitter some place
in storage :-)

73
David N1EA

On Mon, Sep 7, 2015 at 8:55 PM, Edward R Cole <kl7uw at acsalaska.net> 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"
> Dubus Mag business:
>     dubususa at gmail.com
>
>