[HCARC] NVIS - Local 10 meter Propagation Test

[Bill Tynan]

NVIS was also used in Vietnam, when the Army and Marines found that they 
couldn't communicate thru the dense jungle with VHF FM. In fact, the 
Government bought up all the KWM2s they could find and sent them over there.

73,

Bill, W3XO/5
----- Original Message ----- 
From: "Kerry Sandstrom" <kerryk5ks at hughes.net>
To: <hcarc at mailman.qth.net>; "Virgil Bierschwale" <vbiersch at gmail.com>
Sent: Friday, July 27, 2012 8:17 AM
Subject: Re: [HCARC] NVIS - Local 10 meter Propagation Test


> Virgil,
>
> The Navy used to "know" HF, unfortunately, they don't use it as much as 
> they
> used to.  Strategic Air Command (SAC) and Military Airlift Command 
> (MAC/MATS
> in the old days) were also big users of HF.  When I was at Cape Canaveral 
> in
> 1970 we still got radar tracking data from Ascension Island on HF RTTY. 
> The
> Cape had two fields of HF rhombic antennas, one for XMIT and one for RCV.
> NVIS started with NATO and the Army.  The problem was how to communicate
> between fjiords along the coast of Norway.  NVIS was the answer .  I think
> this happened around 1970 or so.  Before that, no one used the term NVIS
> although hams in particular were talking to each other using that
> propagation mode.
>
> The Harper Library, accross US 290 from the school, has several computers
> you can use to surf the internet at the library.  At times, I see quite a
> few people using them.  That may be the quickest way for you to get on the
> internet.  Check it out.
>
> Kerry
>
>
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