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Re: [TenTec] New and Improved Terminology/Gnded tip on whip ant.

To: Bwana Bob <wb2vuf@verizon.net>
Subject: Re: [TenTec] New and Improved Terminology/Gnded tip on whip ant.
From: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Reply-to: geraldj@weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 01 Jan 2011 16:56:41 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>

On 1/1/2011 4:12 PM, Bwana Bob wrote:
> Wow!  John Brune and his sidekick John Gratalo are the guys that I ran
> into at Lakehurst NAEC in 1981 where they were flight testing the
> system. I didn't know that they were famous. When their project was
> done, John Brune kindly sent me a copy of their report AVRADCOM
> Technical Report 81-3). The report includes details of the antenna
> design plus lots of NVIS flight test data.
> in 1996 Worldradio published a NVIS book consisting mostly of reprints
> of articles from Army Communicator magazine by David Fiedler and Edward
> Farmer.
> Even so, a lot of hams don't know about NVIS, perhaps because most ham
> publications and antenna literature emphasize low radiation angles for
> DX, rather than antennas optimized to cover a "service area".

Other than all of us who put up a horizontal wire for 80 meters and 
couldn't get it more than a quarter wave high (60 feet) and worked the 
surrounding states just great, but no DX... And that's been true since 
the days of spark and probably Marconi.

73, Jerry, K0CQ
> 73,
> Bob WB2VUF
> On 1/1/2011 2:26 PM, Dr. Gerald N. Johnson wrote:
>> Thank you. And since it was used for tactical communications in combat
>> it probably was essentially classified for a while. Known only to US DOD
>> and friendly forces by that name, though the concept was known long
>> before Nam. Likely FM24-18 and training circulars of that era were also
>> not public documents for the same reasons. Which kept the name out of
>> vendor's catalogs until Brian Collins' paper in 1988.
>> And we should remember that any antenna deployed works better than one
>> left in the box.
>> 73, Jerry, K0CQ
>> On 1/1/2011 3:11 AM, Steve Hunt wrote:
>>> Jerry,
>>> Following extracted from a discussion on the Yahoo NVIS discussion
>>> group:
>>> "I believe George Hagn was the
>>> first to use the term, "near vertical incidence skywave" in 1967 and
>>> Sol Pearlman at Ft. Monmouth to use the acronym "NVIS" in 1973 or 74.
>>> However, it may have been John Brune at theFt. Monmouth Antenna
>>> measurement range who designed the Transline Antennas for Army
>>> helicopters"
>>> 73,
>>> Steve G3TXQ
>>> _______________________________________________
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