PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-03:12:50
G01     303.4          35.6                7.5 +/-    1.86      11.8 +/-    1.86  0.070 / 0.130
G10     110.2          36.8                7.6 +/-    0.69      11.7 +/-    0.69  0.070 / 0.120
G11     275.9          28.2                7.4 +/-    1.32      13.5 +/-    1.32  0.060 / 0.110
G14     3.5            65.3                6.7 +/-    1.05       7.3 +/-    1.05  0.050 / 0.100
G18     270.0          50.1                7.9 +/-    1.28       9.9 +/-    1.28  0.080 / 0.180
G20     115.7          46.7               13.4 +/-    1.38      17.7 +/-    1.38  0.080 / 0.160
G22     310.9          27.9                6.7 +/-    0.99      12.2 +/-    0.99  0.040 / 0.050
G25     77.1           17.3                5.0 +/-    1.19      11.7 +/-    1.19  0.050 / 0.060
G31     155.4          70.8                8.1 +/-    1.45       8.5 +/-    1.45  0.100 / 0.190
G32     42.2           48.0                5.1 +/-    0.95       6.6 +/-    0.95  0.090 / 0.220