PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-23:27:50
G01     65.0           31.8                8.5 +/-    0.60      14.3 +/-    0.60  0.050 / 0.080
G07     139.5          22.2               10.1 +/-    1.40      21.2 +/-    1.40  0.050 / 0.080
G11     49.7           26.3                7.7 +/-    0.98      14.6 +/-    0.98  0.040 / 0.050
G13     267.6          37.3               11.1 +/-    1.37      16.9 +/-    1.37  0.040 / 0.060
G15     297.8          16.2                8.1 +/-    1.98      19.5 +/-    1.98  0.040 / 0.050
G17     245.2          75.1               11.0 +/-    0.53      11.4 +/-    0.53  0.030 / 0.040
G18     43.2           13.5                6.5 +/-    0.82      16.7 +/-    0.82  0.060 / 0.110
G19     227.4          46.0               13.1 +/-    0.58      17.4 +/-    0.58  0.060 / 0.120
G28     21.1           59.6               10.0 +/-    0.83      11.4 +/-    0.83  0.060 / 0.190
G30     140.1          56.9               10.8 +/-    0.95      12.6 +/-    0.95  0.080 / 0.140