PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-14:28:00
G01     38.0           10.6                7.5 +/-    6.28      20.7 +/-    6.28  0.080 / 0.160
G02     200.8          12.5                5.1 +/-    9.55      13.4 +/-    9.55  0.180 / 0.190
G06     170.3          49.3               10.1 +/-    0.81      12.9 +/-    0.81  0.090 / 0.140
G13     231.2          17.0                8.7 +/-    1.73      20.5 +/-    1.73  0.120 / 0.150
G17     17.3           63.2                7.0 +/-    0.79       7.8 +/-    0.79  0.110 / 0.280
G19     291.4          69.3                6.4 +/-    0.67       6.8 +/-    0.67  0.070 / 0.370
G24     312.6          26.8                5.4 +/-    1.81      10.1 +/-    1.81  0.200 / 0.220
G28     80.8           43.1                8.2 +/-    1.69      11.3 +/-    1.69  0.180 / 0.280
G30     156.9          21.8                9.5 +/-    1.10      20.0 +/-    1.10  0.040 / 0.050