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# this file contains datum shift parameters,
# it supplies a datum database table for GRASS
# format:
# shortname "Full EPSG-style name" ellipsoid dx= dy= dz=
#
# where short name is a single word datum specifier,
# Full EPSG-style name is the exact name used in the European
# Petroleum Survey Group (EPSG) database (enclosed in double quotes),
# ellipsoid is the acronym of the ellipsoid used with this map datum,
# dx, dy and dz are the datum shift parameters.
# no spaces allowed before or after the =.
#
# In general the 3-parameter transformation given in this file should
# be a mean solution for the countries or area the datum is used in.
# Specific transformations applying to a smaller region should be
# specified in the datumtransform.table file.
#
# If 99999 or above is given for all 3 parameters, then the parameters
# listed in this file will not be offered to the user and there
# must be at least one set of parameters for the corrseponding datum
# in the datumtransform.table file
#
# Please comment and cite the source if you add new parameters
# to this list.
# cited from NIMA document TR8350.2
#
# Datum parameters for/from European Terrestrial Reference System ETRS89
# are here: http://crs.ifag.de/crs_national.php
# http://crs.bkg.bund.de/crs-eu
# World Geodetic System 1984
wgs84 "WGS_1984" wgs84 dx=0.0 dy=0.0 dz=0.0
# World Geodetic System 1972
wgs72 "WGS_1972" wgs72 dx=0.0 dy=0.0 dz=5.0
# North American 1927
nad27 "North_American_Datum_1927" clark66 dx=-22.0 dy=157.0 dz=176.0
# North American 1983
nad83 "North_American_Datum_1983" grs80 dx=0.0 dy=0.0 dz=0.0
# Tokyo datum mean
tokyo "Tokyo" bessel dx=-148 dy=507 dz=685
# Ordnance Survey of Great Britain (1936)
osgb36 "OSGB_1936" airy dx=368.0 dy=-120.0 dz=425.0
# South American 1969
sam69 "South_American_Datum_1969" sam69 dx=-57 dy=1 dz=-41
SAD-69 "Please_use_sam69_instead" sam69 dx=-60.0 dy=-2.0 dz=-41.0
# European 1950 mean
eur50 "European_Datum_1950" international dx=-87.0 dy=-98 dz=-121
# European 1979 mean
eur79 "European_1979" international dx=-86 dy=-98 dz=-119
# AGD66 Australian Geodetic 1966 [from NIMA TR8350.2]
agd66 "Australian_Geodetic_Datum_1966" australian dx=-133 dy=-48 dz=148
# AGD84 Australian Geodetic 1984 [from NIMA TR8350.2]
agd84 "Australian_Geodetic_Datum_1984" australian dx=-134 dy=-48 dz=149
# Rome 1940 (Sardinia Parameters)
rome40 "Monte_Mario" international dx=-225 dy=-65 dz=9
# from Geodetic Datum List, Peter H. Dana, 07/12/97, dlist.html
# South Asia (used in Singapore perhaps?)
Sasia "South_Asia" fschr60m dx=7.0 dy=-10.0 dz=-26.0
# S-42 Pulkovo 1942
S-42 "Pulkovo_1942" krassovsky dx=28.0 dy=-130.0 dz=-95.0
# Potsdam Rauenberg 1950 DHDN
potsdam "Deutsches_Hauptdreiecksnetz" bessel dx=606.0 dy=23.0 dz=413.0
# Carthage 1934 Tunisia
carthage "Carthage" clark80 dx=-263.0 dy=6.0 dz=431.0
# Hermannskogel
hermannskogel "Militar_Geographische_Institut" bessel dx=653 dy=-212 dz=449
# From NIMA document
ire65 "TM65" modif_airy dx=506 dy=-122 dz=611
ch1903 "CH1903" bessel dx=674.374 dy=15.056 dz=405.346
# http://www.asprs.org/asprs/resources/grids/01-2001-france.pdf and http://crs.ifag.de/
ntf "Nouvelle_Triangulation_Francaise" clark80IGN dx=-168 dy=-60 dz=320
etrs89 "European_Terrestrial_Reference_System_1989" grs80 dx=0 dy=0 dz=0
# http://crs.ifag.de/
rd18 "Amersfoort" bessel dx=99999 dy=99999 dz=99999
bel72 "Reseau_National_Belge_1972" international dx=99999 dy=99999 dz=99999
por73 "Datum_73" international dx=99999 dy=99999 dz=99999
hjors55 "Hjorsey_1955" international dx=-73 dy=46 dz=-86
lis37 "Lisbon_1937" international dx=99999 dy=99999 dz=99999
ngo48 "NGO_1948" modif_bessel dx=99999 dy=99999 dz=99999
rt90 "Rikets_koordinatsystem_1990" bessel dx=99999 dy=99999 dz=99999
# http://www.linz.govt.nz/geodetic/conversion-coordinates/geodetic-datum-conversion/nzgd1949-nzgd2000/three-and-seven-parameter/
nzgd49 "New_Zealand_Geodetic_Datum_1949" international dx=54.4 dy=-20.1 dz=183.1
nzgd2k "New_Zealand_Geodetic_Datum_2000" grs80 dx=0 dy=0 dz=0
# http://earth-info.nga.mil/GandG/coordsys/onlinedatum/CountrySouthAmericanTable.html (accuracy +/-5m), also: EPSG SQL DB V6.4/V6.8
cai "Campo_Inchauspe_1969" international dx=-148 dy=136 dz=90
# http://earth-info.nga.mil/GandG/coordsys/onlinedatum/CountryAfricaTable.html#NSD
nsd "North_Sahara_1959" clark80 dx=-186 dy=-93 dz=310
gda94 "Geocentric_Datum_of_Australia_1994" grs80 dx=0 dy=0 dz=0
# http://lists.maptools.org/pipermail/proj/2012-September/006413.html
itrf92 "ITRF92" grs80 dx=0 dy=0 dz=0
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