PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-00:27:50
G03     240.4          68.1                5.6 +/-    1.39       6.0 +/-    1.39  0.040 / 0.050
G09     304.7          21.7                5.9 +/-    5.31      12.4 +/-    5.31  0.050 / 0.060
G14     100.0          13.9                6.4 +/-    1.43      16.3 +/-    1.43  0.150 / 0.340
G16     125.8          59.0                7.2 +/-    0.60       8.2 +/-    0.60  0.150 / 0.420
G22     196.7          55.7                6.4 +/-    0.82       7.6 +/-    0.82  0.030 / 0.050
G23     317.9          47.5                4.6 +/-    1.24       6.0 +/-    1.24  0.040 / 0.040
G26     70.2           52.3                3.4 +/-    0.49       4.1 +/-    0.49  0.030 / 0.030
G31     51.8           21.3                1.2 +/-    1.96       2.5 +/-    1.96  0.030 / 0.050