PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-19:57:50
G07     342.5          61.2               11.1 +/-    0.53      12.5 +/-    0.53  0.030 / 0.040
G08     94.8           51.4               12.7 +/-    0.59      15.7 +/-    0.59  0.030 / 0.040
G09     191.7          73.5               13.5 +/-    0.59      14.0 +/-    0.59  0.080 / 0.220
G11     143.8          14.7               13.1 +/-    1.95      32.8 +/-    1.95  0.100 / 0.250
G16     46.6           11.1                8.6 +/-    1.62      23.6 +/-    1.62  0.040 / 0.030
G23     156.3          42.2               13.4 +/-    0.82      18.8 +/-    0.82  0.030 / 0.020
G27     56.2           32.9                9.3 +/-    1.10      15.4 +/-    1.10  0.070 / 0.090
G28     236.7          26.6               13.0 +/-    1.73      24.4 +/-    1.73  0.090 / 0.070
G30     302.7          36.0               11.7 +/-    1.97      18.2 +/-    1.97  0.390 / 0.390