[Proj] MGRS invented by Germany?
charles.karney at sri.com
Fri Jan 22 19:14:12 EST 2016
The paper says
This grid reference system was, in an abbreviated way, then called
"UTM-REF" (Universales Transversales Mercator-Referenzsystem), its
name being derived from the internationally common term "Transversale
Mercator-Abbildung" ("Transverse Mercator Projection") for the
On 01/22/2016 05:39 PM, Melita Kennedy wrote:
> -----Original Message-----
>> Date: Fri, 22 Jan 2016 10:31:18 -0500
>> From: Charles Karney <charles.karney at sri.com>
>> Subject: [Proj] MGRS invented by Germany?
>> To: PROJ.4 and general Projections Discussions
>> <proj at lists.maptools.org>
>> This paper
>> M. F. Buchroithner and R. Pfahlbusch,
>> "Geodetic grids in authoritative maps -- new
>> findings about the origin of the UTM grid" (2016)
>> has some interesting background on the origins of UTM and MGRS.
>> In particular, the division of non-polar regions into 60 zones, the
>> numbering of the zones, and the specific conventions adopted for MGRS
>> all seem to have been borrowed by the US Army Map Service from the
>> German military work in 1943-1944.
>> Figures 3 and 8 show 2 wartime orthophotos of 1km squares in Estonia and
>> Lithuania with designations (UTMREF), 35VLF6992 and 34UEG0578, which
>> coincide with the present-day MGRS designations for these areas
>> (respectively 59.451N 24.698E and 55.752N 21.088E).
>> (The correspondence isn't exact because of differences in the datum and
>> in the choice of the scale on the central meridian.)
>> Charles Karney <charles.karney at sri.com>
>> SRI International, Princeton, NJ 08543-5300
> That looks like a very interesting article. Thank you for posting about it.
> I've put in a request for our library to get a copy. Do they explain why "UTMREF"
> was used? I would have expected UGKREF instead.
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Charles Karney <charles.karney at sri.com>
SRI International, Princeton, NJ 08540-6449
Tel: +1 609 734 2312
Fax: +1 609 734 2662
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