PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-03:27:50
G07     315.6          51.2                4.5 +/-    0.88       5.5 +/-    0.88  0.060 / 0.030
G08     116.9          45.3                6.6 +/-    0.73       8.8 +/-    0.73  0.030 / 0.040
G09     229.0          84.5                4.3 +/-    0.47       4.3 +/-    0.47  0.040 / 0.050
G16     43.0           18.7                2.6 +/-    3.12       5.9 +/-    3.12  0.040 / 0.050
G23     149.7          59.4                5.3 +/-    0.48       6.1 +/-    0.48  0.030 / 0.040
G27     73.7           37.8                5.6 +/-    0.95       8.5 +/-    0.95  0.040 / 0.040
G28     227.1          16.1                2.8 +/-    8.08       6.7 +/-    8.08  0.260 / 0.220
G30     289.8          24.4                4.0 +/-    0.93       7.9 +/-    0.93  0.250 / 0.280