PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-00:43:10
G02     200.1          24.9               11.4 +/-    3.47      22.4 +/-    3.47  0.430 / 0.510
G06     170.4          56.5               10.9 +/-    0.60      12.8 +/-    0.60  0.330 / 0.370
G13     225.8          11.4               10.6 +/-    1.54      28.6 +/-    1.54  0.040 / 0.030
G17     19.6           60.6                7.7 +/-    0.80       8.7 +/-    0.80  0.050 / 0.030
G19     330.2          70.4                7.8 +/-    0.44       8.2 +/-    0.44  0.150 / 0.100
G24     308.5          31.1                9.1 +/-    1.03      15.6 +/-    1.03  0.080 / 0.110
G28     91.3           37.8                8.3 +/-    0.82      12.6 +/-    0.82  0.080 / 0.080
G30     156.6          10.1                9.8 +/-    2.95      27.3 +/-    2.95  0.060 / 0.080