GPS Station

From TrigpointingUK
Jump to: navigation, search

Before Passive Stations were invented, some trigs were resurveyed by GPS, rather than triangulation. [1]

These are sometimes marked as such in the Remarks field, but sometimes can only be identified by their having been given as order 13.

References

  1. The History of the Retriangulation of Great Britain 1935-1962, Section 2.03