Table 2. The RMS values of kinematic PPP solutions of single- , and four-system modes in north, east and up components (MGEX and BETN networks from September 1 to December 9 in 2013).

System	E(cm)	N(cm)	U(cm)
G	1.4	1.2	4.4
R	2.9	1.8	5.9
C	1.3	1.3	5.4
G/R/E/C	0.9	0.9	3.1