PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-02:12:50
G01     314.8          26.9                4.0 +/-    2.29       7.6 +/-    2.29  0.050 / 0.050
G10     93.4           46.0                7.1 +/-    0.45       9.4 +/-    0.45  0.050 / 0.060
G11     295.0          25.5                5.9 +/-    1.96      11.4 +/-    1.96  0.180 / 0.400
G14     321.3          70.8                5.9 +/-    0.62       6.3 +/-    0.62  0.220 / 0.320
G18     293.9          46.8                6.0 +/-    0.82       7.9 +/-    0.82  0.040 / 0.060
G20     113.0          22.2                6.9 +/-    1.12      14.4 +/-    1.12  0.030 / 0.050
G22     305.3          16.1                4.7 +/-    2.22      11.3 +/-    2.22  0.070 / 0.210
G25     94.3           12.1                2.1 +/-   21.28       5.7 +/-   21.28  0.070 / 0.160
G31     171.1          53.3               -1.3 +/-    0.94      -1.6 +/-    0.94  0.100 / 0.210
G32     21.7           61.2                4.4 +/-    0.58       4.9 +/-    0.58  0.100 / 0.210