PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-03:13:00
G03     245.4          68.6                4.5 +/-    0.56       4.8 +/-    0.56  0.040 / 0.050
G09     304.9          22.9                2.2 +/-    1.47       4.6 +/-    1.47  0.040 / 0.050
G14     98.8           15.3                3.3 +/-    1.61       8.1 +/-    1.61  0.090 / 0.270
G16     125.9          58.3                5.7 +/-    0.66       6.5 +/-    0.66  0.100 / 0.230
G22     197.8          57.1                6.1 +/-    0.69       7.1 +/-    0.69  0.050 / 0.060
G23     317.4          47.0                4.0 +/-    1.16       5.2 +/-    1.16  0.040 / 0.060
G26     70.4           51.9                4.3 +/-    0.60       5.2 +/-    0.60  0.030 / 0.050
G31     51.7           20.5               -0.3 +/-    1.01      -0.7 +/-    1.01  0.030 / 0.050