PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/22-00:12:40
G01     303.2          35.6                9.4 +/-    0.94      14.8 +/-    0.94  0.070 / 0.130
G10     110.0          37.9                8.8 +/-    1.12      13.3 +/-    1.12  0.070 / 0.130
G11     276.3          28.8                8.5 +/-    0.85      15.3 +/-    0.85  0.090 / 0.250
G14     8.1            64.3                7.2 +/-    0.99       7.9 +/-    0.99  0.090 / 0.220
G18     119.9          10.9                7.1 +/-    2.86      19.4 +/-    2.86  0.060 / 0.100
G22     310.7          28.2                6.9 +/-    1.33      12.5 +/-    1.33  0.050 / 0.080
G25     76.2           17.3                7.9 +/-    1.59      18.5 +/-    1.59  0.040 / 0.050
G31     171.5          66.3               11.0 +/-    0.78      11.9 +/-    0.78  0.040 / 0.050
G32     37.5           51.8                8.1 +/-    0.24      10.0 +/-    0.24  0.040 / 0.040