PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-01:57:50
G01     305.4          34.2                9.0 +/-    0.95      14.5 +/-    0.95  0.070 / 0.150
G10     107.5          39.8                9.8 +/-    0.68      14.3 +/-    0.68  0.070 / 0.130
G11     278.4          29.2               11.4 +/-    1.42      20.3 +/-    1.42  0.060 / 0.120
G14     4.1            65.5                7.2 +/-    0.90       7.8 +/-    0.90  0.060 / 0.110
G18     118.2          13.3                9.5 +/-    2.15      24.7 +/-    2.15  0.040 / 0.040
G22     310.0          26.5                7.3 +/-    2.10      13.7 +/-    2.10  0.040 / 0.040
G25     77.8           16.6                7.1 +/-    1.50      16.9 +/-    1.50  0.030 / 0.050
G31     170.4          64.8               10.5 +/-    0.68      11.4 +/-    0.68  0.060 / 0.060
G32     34.3           53.8                6.8 +/-    0.38       8.2 +/-    0.38  0.050 / 0.040