PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-02:27:50
G01     250.0          36.6                7.9 +/-    0.93      12.2 +/-    0.93  0.040 / 0.050
G03     316.5          41.8                5.6 +/-    0.99       7.8 +/-    0.99  0.040 / 0.040
G11     239.7          12.0                6.8 +/-    3.93      18.1 +/-    3.93  0.060 / 0.100
G14     56.6           43.5                4.2 +/-    0.67       5.8 +/-    0.67  0.060 / 0.120
G18     220.7          28.0                7.0 +/-    1.18      12.9 +/-    1.18  0.060 / 0.090
G22     306.6          63.4                5.1 +/-    1.08       5.6 +/-    1.08  0.060 / 0.100
G25     41.8           11.2                4.5 +/-    2.08      12.3 +/-    2.08  0.180 / 0.370
G26     136.9          37.2                8.5 +/-    0.82      13.0 +/-    0.82  0.170 / 0.300
G31     42.3           58.0                5.5 +/-    0.45       6.3 +/-    0.45  0.100 / 0.130
G32     76.0           23.4                4.5 +/-    1.54       9.2 +/-    1.54  0.100 / 0.150