PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-17:12:40
G02     14.6           67.6                6.8 +/-    0.67       7.3 +/-    0.67  0.040 / 0.060
G05     155.3          50.4                8.6 +/-    0.99      10.8 +/-    0.99  0.030 / 0.060
G06     48.5           22.9                7.2 +/-    0.50      14.8 +/-    0.50  0.280 / 0.490
G12     204.9          77.2                6.9 +/-    0.80       7.0 +/-    0.80  0.240 / 0.460
G19     88.5           20.2                8.2 +/-    1.14      18.0 +/-    1.14  0.020 / 0.040
G24     214.4          10.3                5.5 +/-   24.92      15.2 +/-   24.92  0.020 / 0.030
G25     309.5          45.5                6.6 +/-    2.02       8.8 +/-    2.02  0.070 / 0.090
G29     298.1          18.2                7.7 +/-    1.28      17.8 +/-    1.28  0.060 / 0.070