PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-06:13:10
G03     250.2          70.1                5.7 +/-    1.45       6.0 +/-    1.45  0.030 / 0.060
G09     300.9          15.2                1.3 +/-    1.48       3.2 +/-    1.48  0.040 / 0.060
G14     95.8           17.9                4.6 +/-    0.72      10.5 +/-    0.72  0.110 / 0.260
G16     131.3          55.5                5.8 +/-    0.79       6.9 +/-    0.79  0.120 / 0.330
G22     200.5          59.7                5.2 +/-    0.67       5.9 +/-    0.67  0.050 / 0.050
G23     319.0          49.2                3.2 +/-    0.74       4.0 +/-    0.74  0.050 / 0.060
G26     75.2           52.8                4.5 +/-    1.19       5.5 +/-    1.19  0.030 / 0.040
G31     51.0           20.9                0.1 +/-    1.50       0.3 +/-    1.50  0.050 / 0.050