PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-02:43:00
G01     305.8          34.2                5.3 +/-    0.78       8.5 +/-    0.78  0.080 / 0.120
G10     107.7          38.6                6.7 +/-    0.41      10.0 +/-    0.41  0.070 / 0.140
G11     278.6          28.4                6.4 +/-    1.59      11.5 +/-    1.59  0.060 / 0.110
G14     358.9          66.4                5.7 +/-    0.40       6.1 +/-    0.40  0.060 / 0.110
G18     274.1          50.1                6.9 +/-    0.97       8.8 +/-    0.97  0.050 / 0.060
G20     111.6          52.2               15.6 +/-    1.55      19.2 +/-    1.55  0.050 / 0.050
G22     310.0          25.6                5.6 +/-    1.11      10.7 +/-    1.11  0.080 / 0.200
G25     79.5           16.7                4.6 +/-    1.03      11.1 +/-    1.03  0.080 / 0.150
G31     159.6          68.3                7.6 +/-    0.84       8.1 +/-    0.84  0.110 / 0.290
G32     39.8           49.8                5.2 +/-    0.39       6.5 +/-    0.39  0.090 / 0.270