PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/11-23:27:40
G03     191.8          24.1                9.0 +/-    2.04      17.9 +/-    2.04  0.180 / 0.300
G07     286.5          35.2               11.0 +/-    0.79      17.4 +/-    0.79  0.120 / 0.250
G08     144.8          24.7               13.1 +/-    2.87      25.8 +/-    2.87  0.130 / 0.180
G09     320.5          58.0                9.2 +/-    1.43      10.6 +/-    1.43  0.080 / 0.180
G16     44.4           45.0                7.7 +/-    1.15      10.4 +/-    1.15  0.040 / 0.070
G22     178.2          10.0               10.5 +/-    0.85      29.3 +/-    0.85  0.040 / 0.080
G23     92.6           82.1                7.8 +/-    0.86       7.8 +/-    0.86  0.040 / 0.110
G26     43.1           15.6                5.3 +/-    1.37      13.1 +/-    1.37  0.040 / 0.090
G27     102.7          32.1               10.3 +/-    0.71      17.3 +/-    0.71  0.050 / 0.100
G30     271.7          12.6               11.0 +/-    2.81      28.8 +/-    2.81  0.050 / 0.110