PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/12-01:13:00
G01     293.4          39.4                7.5 +/-    1.04      11.0 +/-    1.04  0.050 / 0.080
G03     310.8          13.6                8.1 +/-    2.02      20.9 +/-    2.02  0.050 / 0.090
G10     117.8          31.3                9.2 +/-    0.65      15.8 +/-    0.65  0.080 / 0.100
G11     266.3          27.4                9.9 +/-    1.57      18.3 +/-    1.57  0.080 / 0.110
G14     23.0           59.2                8.0 +/-    0.91       9.2 +/-    0.91  0.060 / 0.110
G22     313.1          35.6                9.0 +/-    1.19      14.1 +/-    1.19  0.060 / 0.140
G25     67.0           18.2                6.0 +/-    1.23      13.7 +/-    1.23  0.020 / 0.030
G31     156.7          76.1               10.8 +/-    0.79      11.1 +/-    0.79  0.030 / 0.030
G32     46.2           46.2                6.3 +/-    0.96       8.4 +/-    0.96  0.040 / 0.050