Table 2.

Statistical results of the SIS UREs (m) after eliminating the trend term covering 14 experimental days.

Station	Frequency	C04		C09		C14
		Mean/m	STD/m	Mean/m	STD/m	Mean/m	STD/m
NNOR	B1	0	0.35	−0.02	0.46	−0.01	0.53
	B2	0	0.21	0.01	0.21	0.01	0.32
XMIS	B1	0	0.38	0	0.41	0.01	0.40
	B2	0	0.23	0	0.24	0	0.24
GMSD	B1	0.05	0.33	0	0.37	0.02	0.32
	B2	0.06	0.20	0	0.21	−0.01	0.19