|
Number
|
System
|
0
|
Standard frame of reference
|
1
|
PD (Potsdam date, DHDN), rough mountain, Bessel (1841)
|
2
|
ED50, Potsdam, Hayford (1909) / Internationally (1924)
|
3
|
SYSTEM42 / 83, Pulkowo, Krassowskij (1940)
|
4
|
ETRS90, earth centred, GRS80 (1980)
|
5
|
MGI, Hermannskogel, Bessel (1841)
|
6
|
NTF, pantheon (Paris), Clarke (1880)
|
7
|
RD/NAP, Amersfoort, Bessel (1841)
|
8
|
CH1903, Old Observatory Bern, Bessel (1841)
|
9
|
RD83 (rough mountain date), rough mountain, Bessel (1841)
|
10
|
WGS84 (GPS), earth centred, WGS84 (1984)
|
11
|
WGS72, earth centred, WGS72 (1972)
|
12
|
BD72, Ukkel, Hayford (1909) / Internationally (1924)
|
13
|
OSGB36, Triangulation, Airy (1830)
|
14
|
LUREF, Habay, Hayford (1909) / Internationally (1924)
|
15
|
ROME1940, Monte Mario, Hayford (1909) / boarding school. (1924)
|
|