Examining the Accuracy of Network RTK and Long Base RTK Methods with Repetitive Measurements

Table 4

Coordinate differences (cm).

		Repeatability year						Annual coordinate differences between two methods	LBRTK-NRTK
		LBRTK			NRTK
		N	E	U	N	E	U		N	E	U
ORGA	2015	0.0	0.0	0.0	0.0	0.0	0.0		-0.1	1.8	2.8
	2017	0.4	-0.3	-2.6	0.5	1.1	0.0		-0.2	0.4	0.3
	2018	-1.8	-0.3	-3.3	-1.4	1.2	2.4		-0.4	0.3	-2.9
ATIK	2015	0.0	0.0	0.0	0.0	0.0	0.0		0.2	1.7	3.1
	2017	-0.1	-0.1	-1.3	0.5	0.7	1.3		-0.5	0.9	0.5
	2018	-0.9	0.3	0.4	1.1	1.3	0.6		-1.9	0.6	2.9
NRBY	2015	0.0	0.0	0.0	0.0	0.0	0.0		0.0	1.7	3.3
	2017	-0.2	-1.1	2.4	0.2	0.8	2.3		-0.5	-0.2	3.4
	2018	0.1	0.1	-0.2	0.6	0.1	2.7		-0.5	1.8	0.5
DGRM	2015	0.0	0.0	0.0	0.0	0.0	0.0		1.1	2.5	1.1
	2017	-1.0	-1.1	-1.7	1.6	1.1	-3.0		-1.5	0.3	2.4
	2018	-1.3	-1.7	0.0	-0.1	0.1	-0.1		-0.1	0.6	1.2
KRCV	2015	0.0	0.0	0.0	0.0	0.0	0.0		0.1	0.3	2.3
	2017	0.3	-0.5	1.0	0.9	-0.2	-0.2		-0.5	0.0	3.5
	2018	1.0	-1.4	-0.1	2.3	-2.2	-0.3		-1.3	1.0	2.5
EBER	2015	0.0	0.0	0.0	0.0	0.0	0.0		0.6	-1.3	1.8
	2017	-0.1	0.0	-8.5	1.8	0.2	-1.7		-1.4	-1.5	-4.9
	2018	2.7	0.0	-7.7	1.6	1.1	-0.6		1.7	-2.4	-5.2