PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-08:28:00
G01     124.7          12.1                3.7 +/-    1.93       9.8 +/-    1.93  0.080 / 0.100
G07     61.0           68.4                4.8 +/-    0.39       5.1 +/-    0.39  0.060 / 0.090
G08     51.3           41.2                3.6 +/-    0.99       5.1 +/-    0.99  0.030 / 0.030
G09     177.2          34.7                7.4 +/-    0.72      11.8 +/-    0.72  0.030 / 0.040
G11     118.8          36.8                5.7 +/-    0.86       8.8 +/-    0.86  0.060 / 0.300
G13     320.4          13.7                0.8 +/-    2.09       2.0 +/-    2.09  0.110 / 0.310
G17     200.2          13.6                2.4 +/-    0.97       6.3 +/-    0.97  0.100 / 0.330
G18     102.0          17.1                4.3 +/-    1.26      10.2 +/-    1.26  0.080 / 0.330
G28     270.1          47.7                5.4 +/-    0.95       7.1 +/-    0.95  0.070 / 0.090
G30     331.7          60.4                3.8 +/-    0.58       4.3 +/-    0.58  0.070 / 0.100