Helmert transformation:
WGS84 to OSGB36 (OSTN2):
cx: −446.448 cy: 125.157 cz: −542.06
s: 20.4894
rx: −0.1502 ry: −0.247 rz: −0.8421
Accuracy of about 7m for a OSGB36/WGS84 transformation
See also:
cx: −446.448 cy: 125.157 cz: −542.06
s: 20.4894
rx: −0.1502 ry: −0.247 rz: −0.8421