PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-01:57:40
G01     288.8          40.7                5.9 +/-    1.08       8.4 +/-    1.08  0.050 / 0.090
G03     312.3          17.3                5.6 +/-    1.49      13.2 +/-    1.49  0.050 / 0.100
G10     121.0          27.0                8.4 +/-    0.45      15.6 +/-    0.45  0.060 / 0.090
G11     262.2          25.3                8.8 +/-    1.15      17.0 +/-    1.15  0.070 / 0.080
G14     25.5           58.3                5.5 +/-    0.38       6.3 +/-    0.38  0.050 / 0.050
G18     248.6          46.8                9.6 +/-    0.71      12.7 +/-    0.71  0.060 / 0.050
G22     314.0          39.2                5.4 +/-    1.42       7.9 +/-    1.42  0.050 / 0.150
G25     63.1           17.9                4.4 +/-    0.60      10.1 +/-    0.60  0.050 / 0.160
G31     115.4          79.5                7.5 +/-    0.73       7.6 +/-    0.73  0.130 / 0.270
G32     53.3           40.0                6.0 +/-    0.76       8.7 +/-    0.76  0.140 / 0.230