H  SOFTWARE NAME & VERSION
I  GPSU 4.10  
S SymbolSet=0

H R DATUM
M E   Ord Srvy Grt Britn 075  5.7360400E+02  1.1960020E-05 375 -111 431

H   COORDINATE SYSTEM
U   BRITISH GRID

F	ID----	Zn	East	North	Alt(m)	Comment
W	Start	TL	51298	24904	0	Hall
W	CP01	TL	48179	34482	0	Arkesden
W	Finish	TL	51298	24904	0	Hall

R 00  Stansted
F ID----
W Start
W CP01
W Finish