trigpoints.Rd
List of all UK trig points Contains OS data © Crown copyright and database right (2018)
trigpoints
A data frame with 16 variables:
Station name, assigned by surveyor
Further station details
Further station details
Height above Ordnance Datum in metres
Level of precision to which the station was observed. 1 is highest; 4 is lowest
Type of station
Which computation block the station was computed and adjusted in
Year of last computation
Date of last maintenance
Precision of the levelling
Date of levelling
Datum the levelling refers to
1 = destroyed; 0 = exists
Additional notes
Coordinates in OSGB36 British National Grid (easting, northing)
https://www.ordnancesurvey.co.uk/gps/legacy-control-information/triangulation-stations