PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-02:27:40
G01     221.1          12.0                5.4 +/-    2.21      14.4 +/-    2.21  0.040 / 0.040
G03     268.6          69.5                3.9 +/-    0.63       4.2 +/-    0.63  0.030 / 0.040
G09     300.3          17.2                2.9 +/-    1.99       6.8 +/-    1.99  0.130 / 0.390
G14     92.8           19.8                4.3 +/-    1.27       9.6 +/-    1.27  0.130 / 0.430
G16     137.3          52.3                7.3 +/-    1.00       9.0 +/-    1.00  0.080 / 0.210
G22     205.8          64.5                5.2 +/-    0.63       5.7 +/-    0.63  0.080 / 0.180
G23     311.9          41.3                4.6 +/-    1.19       6.6 +/-    1.19  0.050 / 0.060
G26     83.4           54.2                3.8 +/-    0.30       4.5 +/-    0.30  0.050 / 0.050
G31     48.2           26.6                3.0 +/-    1.70       5.7 +/-    1.70  0.060 / 0.070