PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-06:42:40
G03     248.9          70.1                5.0 +/-    0.75       5.3 +/-    0.75  0.030 / 0.060
G09     300.9          15.2                1.8 +/-    1.46       4.3 +/-    1.46  0.030 / 0.060
G14     96.0           17.7                2.6 +/-    1.47       6.0 +/-    1.47  0.080 / 0.170
G16     131.4          55.6                6.3 +/-    0.84       7.4 +/-    0.84  0.100 / 0.190
G22     200.0          59.4                4.9 +/-    1.17       5.6 +/-    1.17  0.110 / 0.360
G23     319.4          49.7                3.9 +/-    1.02       4.9 +/-    1.02  0.110 / 0.390
G26     75.0           52.8                5.6 +/-    0.93       6.9 +/-    0.93  0.110 / 0.310
G31     51.1           20.8                0.4 +/-    1.23       0.8 +/-    1.23  0.180 / 0.520