PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-00:58:00
G01     316.7          22.9                5.9 +/-    2.83      12.1 +/-    2.83  0.110 / 0.250
G10     89.0           49.2                8.2 +/-    0.42      10.4 +/-    0.42  0.120 / 0.220
G11     296.4          26.0                7.3 +/-    3.06      13.9 +/-    3.06  0.110 / 0.180
G14     314.5          71.0                6.6 +/-    0.43       6.9 +/-    0.43  0.110 / 0.160
G18     297.2          45.3                6.6 +/-    0.81       8.8 +/-    0.81  0.050 / 0.050
G20     110.4          24.7                8.0 +/-    0.74      15.7 +/-    0.74  0.050 / 0.050
G22     303.7          14.3                5.4 +/-    3.16      13.7 +/-    3.16  0.080 / 0.190
G25     93.8           11.0              -18.7 +/-   15.12     -51.1 +/-   15.12  0.110 / 0.180
G31     173.6          49.5                8.3 +/-    1.50      10.6 +/-    1.50  0.040 / 0.080
G32     20.1           62.2                6.5 +/-    0.90       7.2 +/-    0.90  0.040 / 0.090