|Resolution||3 km flight line separation|
|Format||ASCII text records|
|Price||50p per line km. Subject to number of users, licence fee and data preparation fee.
The survey, flown by Canadian Aero Service in 1963, was digitised by the BGS by extracting values at flight line/contour line intercepts from the original base maps.
The survey comprises 136 363 line-km and was flown at a line spacing of 3 km and a flying height of 1000 ft. The data are now owned by CGG and are available under licence to commercial users via the BGS.
Contact Digital Data for more information.