PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-23:27:30
G07     343.0          61.3                7.4 +/-    0.89       8.3 +/-    0.89  0.060 / 0.090
G08     90.1           53.3                8.3 +/-    0.48      10.0 +/-    0.48  0.080 / 0.090
G09     187.1          67.5                8.3 +/-    0.96       8.9 +/-    0.96  0.080 / 0.160
G11     143.4          16.5               10.0 +/-    1.78      23.9 +/-    1.78  0.070 / 0.130
G23     157.1          33.9                8.9 +/-    1.78      14.4 +/-    1.78  0.030 / 0.050
G27     48.8           27.2                5.9 +/-    1.01      10.9 +/-    1.01  0.030 / 0.050
G28     243.3          35.3                9.2 +/-    2.11      14.6 +/-    2.11  0.030 / 0.040
G30     310.1          43.0                5.4 +/-    0.73       7.5 +/-    0.73  0.030 / 0.050