PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-08:43:00
G01     125.2          11.7                3.7 +/-    2.85      10.0 +/-    2.85  0.040 / 0.030
G07     59.6           68.5                4.6 +/-    0.64       4.9 +/-    0.64  0.040 / 0.030
G08     51.9           41.9                2.8 +/-    1.17       4.0 +/-    1.17  0.210 / 0.240
G09     177.4          35.4                6.4 +/-    1.68      10.1 +/-    1.68  0.160 / 0.420
G11     119.4          36.5                6.8 +/-    0.60      10.6 +/-    0.60  0.070 / 0.100
G13     320.5          13.2                2.6 +/-    2.44       6.8 +/-    2.44  0.060 / 0.090
G17     200.2          12.8                1.8 +/-    2.27       4.7 +/-    2.27  0.030 / 0.030
G18     102.6          16.9                5.6 +/-    1.90      13.2 +/-    1.90  0.040 / 0.030
G28     269.4          47.4                6.3 +/-    2.53       8.1 +/-    2.53  0.060 / 0.050
G30     331.3          60.0                3.9 +/-    0.59       4.5 +/-    0.59  0.050 / 0.060