. 2008 Sep 24;8(9):5866–5883. doi: 10.3390/s8095866

Table 3.

Reference block: standard deviations.

Network adjustment (4^th iteration)
Period	Control Points	Standard Deviation (mm)
Period	Control Points	σ_X	σ_Y	σ_Z
May 2006	I7	1.3	1.4	2.8
	I1	0.7	0.5	1.2
	I4	2.4	1.8	3.1
	I3	2.6	1.5	2.4
	PA1	1.7	1.2	2.6
	PA2	0.5	1.5	2.2
	PA3	2.3	1.2	3.2
	PA4	2.1	1.2	2.6
	PA5	1.7	1.9	2.1
	PA6	1.9	1.6	1.9