1 ; BCRA Grade 3 specification file
4 ; 95.44% of readings are within 0.5m (2 S.D.)
5 *sd length backlength 0.25 metres
8 ; 95.44% of readings are within 2.5 degrees (2 S.D.)
9 *sd bearing backbearing 1.25 degrees
12 ; 95.44% of readings are within 2.5 degrees (2 S.D.)
13 *sd gradient backgradient 1.25 degrees
15 ; station position error
16 ; 95.44% of positions are within 0.5m (2 S.D.)
17 *sd position 0.25 metres