PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-08:43:00
G01     320.4          14.4              -12.4 +/-   26.71     -31.3 +/-   26.71  0.030 / 0.030
G08     262.2          15.9                5.5 +/-    3.12      13.3 +/-    3.12  0.030 / 0.030
G10     72.5           54.7                3.2 +/-    0.71       3.9 +/-    0.71  0.140 / 0.330
G11     306.9          20.9                2.7 +/-    1.56       5.9 +/-    1.56  0.100 / 0.300
G14     282.2          69.8                2.7 +/-    0.54       2.8 +/-    0.54  0.100 / 0.210
G18     308.1          38.2                3.9 +/-    0.70       5.9 +/-    0.70  0.210 / 0.270
G20     101.1          32.5                3.5 +/-    0.93       5.9 +/-    0.93  0.140 / 0.380
G27     228.8          12.7                3.0 +/-    0.99       8.0 +/-    0.99  0.180 / 0.280
G31     177.2          36.1                3.8 +/-    1.53       5.9 +/-    1.53  0.040 / 0.050
G32     342.1          72.5                4.5 +/-    0.47       4.7 +/-    0.47  0.040 / 0.050