PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-07:57:50
G02     206.1          42.1                7.1 +/-    1.26      10.0 +/-    1.26  0.110 / 0.250
G06     147.0          75.8                8.0 +/-    0.78       8.3 +/-    0.78  0.150 / 0.220
G12     311.2          21.0                5.0 +/-    3.04      10.7 +/-    3.04  0.040 / 0.050
G17     44.9           41.3                4.9 +/-    0.46       6.9 +/-    0.46  0.030 / 0.050
G19     11.1           61.8                4.3 +/-    0.71       4.9 +/-    0.71  0.090 / 0.150
G24     283.3          43.7                5.7 +/-    1.03       7.9 +/-    1.03  0.090 / 0.170
G28     108.6          27.8                9.8 +/-    1.59      18.0 +/-    1.59  0.050 / 0.070