PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-02:12:40
G07     330.6          57.4                3.7 +/-    0.67       4.3 +/-    0.67  0.100 / 0.150
G08     100.9          50.2                8.0 +/-    0.54      10.1 +/-    0.54  0.080 / 0.130
G09     188.3          75.7                8.4 +/-    1.09       8.7 +/-    1.09  0.030 / 0.060
G11     146.6          11.7                8.9 +/-    6.88      23.9 +/-    6.88  0.050 / 0.070
G16     45.7           10.6                3.4 +/-    1.92       9.2 +/-    1.92  0.050 / 0.070
G23     155.1          48.0               10.0 +/-    0.96      12.9 +/-    0.96  0.040 / 0.060
G27     61.2           35.1                4.8 +/-    0.77       7.6 +/-    0.77  0.090 / 0.230
G28     233.8          24.6                6.5 +/-    2.15      12.8 +/-    2.15  0.080 / 0.250
G30     298.1          31.4                2.8 +/-    1.15       4.7 +/-    1.15  0.040 / 0.050