[Elecraft] OT: US Signal Corps rhombic book

[Walter Underwood]

Thanks for the pointer. It is available at archive.org in several formats.

https://archive.org/details/TM11-666

wunder
K6WRU

On May 16, 2014, at 4:23 PM, Mel Farrer via Elecraft <elecraft at mailman.qth.net> wrote:

> I'll also throw in a bit.  Department of the Army,  Tech Manual, TM 11-666, also has a lot of information on the rhombic designs and implementation, as well as a lot more.  Mine is well worn and dated February 1953.
> 
> 
> Mel, K6KBE
> 
> On Friday, May 16, 2014 4:08 PM, Mike Markowski <mike.ab3ap at gmail.com> wrote:
> 
> 
> 
> Sorry, gang, seems I posted my last note as html which I was told was 
> stripped resulting in an empty message.  Original follows.
> =====================
> 
> Hi all,
> 
> Are any interested in a pdf of
> 
>    "Construction of a Rhombic Receiving Antenna," US Army Signal Corps, 
> March 20, 1943
> 
> It's 37 pages long, 15 pages of which are text and the rest tables & 
> drawings, and is7.3 MBytes.  It lays out the heavy duty design of 
> rhombics as built by the then-US War Dept, not a backyard ham antenna 
> project!  But a ham or club lucky enough to have enough land and spare 
> change might make use of it.  Also, it contains no theory whatsoever. 
> "Rhombic Antenna Design," by AE Harper, Bell Telephone Laboratories, 
> 1941 is a good and similar vintage companion in that regard.  Harper's 
> report also contains construction details.
> 
> I've mentioned it before on this list, but before US Army Ft. Monmouth, 
> NJ closed a few years ago I enjoyed using their one surviving rhombic of 
> the 2 originals.  Thinking of how much fun that was got me reading up on 
> rhombics recently.  Some photos of that shack just prior to shut down: 
> http://udel.edu/~mm/ham/monmouth/
> 
> 73,
> Mike ab3ap
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--
Walter Underwood
wunder at wunderwood.org