[Proj] Portuguese Modified Grid - Datum 73

Roger Oberholtzer roger at opq.se
Tue Feb 16 06:40:35 EST 2010

I have been looking through the definition with proj4, as well as
spatialreference.org, and I do not seem to see a proj4 definition for
something called "Portuguese Modified Grid - Datum 73". I have a
description for it, but I do not think it is complete:


Anyone familiar with this?

Roger Oberholtzer

OPQ Systems / Ramböll RST

Ramböll Sverige AB
Krukmakargatan 21
P.O. Box 17009
SE-104 62 Stockholm, Sweden

Office: Int +46 10-615 60 20
Mobile: Int +46 70-815 1696

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