I GPSU 4.87 M E Ord Srvy Grt Britn 093 5.7360400E+02 1.1960020E-05 375 -111 431 U BRITISH GRID S Image=RRR25_ac.jpg S CalPoint1=SK 57000 85000= 4644 4241 S CalPoint2=SE 41000 01000= 903 479