Topband: PHASING SHUNT FED TOWERS
Nagi
nagi at nmt.ne.jp
Mon Jun 3 05:09:29 EDT 2013
Hi Mike, Tom, Tree, Jon Herb, Carl, Dan and Friends,
I still feel Earl, K6SE lives in the minds of us all.
I also wish he'd lived when I have some questions about antennas.
I introduce my web page again which I made when he passed away.
You can see his PHASING SHUNT FED TOWERS and so on.
http://hawaiiisland.web.fc2.com/K6SE/K6SE.html
73, Aki JA5DQH
PS :
Photo at Piza restaurant, SCCC club meeting on May 1981.
Tree N6TR
Jim N6TJ
Aki JA5DQH
Then... unknown...
Scott, N6MI
Mark, N5OT (was WA6OTU)
Earl , K6SE
Lee, KR6X (was WB6OLD)
David, N6AN (was AA6RX)
Also
You can see memory of Paul and Jack.
Paul VS6DO
http://hawaiiisland.web.fc2.com/VS6DO/VS6DO.html
Jack KH6CC
http://hawaiiisland.web.fc2.com/KH6CC/KH6CC.htm
At 03:19 13/06/03, you wrote:
>I miss Earl too...he always told me I was loud...HE was always loud,
>and usually working somebody i couldn't hear...he also did some great
>work with Flags, early on...
>73, w5xz, dan
>
>--- On Fri, 5/31/13, Carl <km1h at jeremy.mv.com> wrote:
>
>From: Carl <km1h at jeremy.mv.com>
>Subject: Re: Topband: PHASING SHUNT FED TOWERS
>To: "Jon Zaimes AA1K" <jz73 at verizon.net>, "160" <topband at contesting.com>
>Date: Friday, May 31, 2013, 12:04 PM
>
>
>----- Original Message ----- From: "Jon Zaimes AA1K" <jz73 at verizon.net>
>To: "160" <topband at contesting.com>
>Sent: Friday, May 31, 2013 4:31 AM
>Subject: Re: Topband: PHASING SHUNT FED TOWERS
>
>
>>
>> On 5/31/2013 12:43 AM, Tree wrote:
>>>
>>> K6SE was the first guy I saw doing this - with much shorter towers than
>>> mine.
>>>
>>>
>> Somewhere in my files I have a copy of a four-page letter Earl sent
>to K2UU describing in detail the K6SE phased towers -- one of the few
>multielement transmit arrays in use on the band in those days (1970s-80s).
>>
>> If I recall correctly, they were HDBX style 64-foot self-supporting
>towers spaced about 80 feet. One had a large tribander on it, and the
>other a 2-element shortened 40-meter yagi. Earl described how he
>raised and lowered the 40-m. beam on its mast till that tower
>resonated at the same spot as the other one. He used identical shunts
>and a coax delay line to achieve the correct phasing. His letter
>included a formula for calculating this delay line based on the
>distance between the towers.
>>
>> This played quite well. We chatted many a night and Earl would flip
>the switch and I'd see 25 db f/b or so.
>>
>> 73/Jon AA1K
>> Delaware
>
>
>I sure miss Earl. One fine gentleman that wasnt afraid to share
>details of any of his designs and answer questions with even more details.
>
>Carl
>KM1H
>All good topband ops know how to put up a beverage at night.
>_________________
>Topband Reflector
>All good topband ops know how to put up a beverage at night.
>_________________
>Topband Reflector
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