PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-08:57:50
G01     109.8          22.7                4.2 +/-    1.08       8.6 +/-    1.08  0.030 / 0.040
G07     100.7          59.7                5.9 +/-    1.10       6.7 +/-    1.10  0.030 / 0.040
G08     43.0           26.6                3.0 +/-    2.53       5.7 +/-    2.53  0.080 / 0.090
G09     175.0          17.5                3.6 +/-    1.63       8.5 +/-    1.63  0.070 / 0.140
G11     96.9           43.8                7.2 +/-    0.54       9.8 +/-    0.54  0.200 / 0.230
G13     312.3          26.9                3.3 +/-    1.43       6.2 +/-    1.43  0.160 / 0.230
G17     203.9          30.9                4.9 +/-    1.74       8.4 +/-    1.74  0.110 / 0.120
G18     84.5           23.4                3.6 +/-    1.91       7.4 +/-    1.91  0.140 / 0.150
G28     296.4          56.2                5.3 +/-    1.10       6.2 +/-    1.10  0.030 / 0.030
G30     360.0          74.7                5.5 +/-    0.58       5.7 +/-    0.58  0.030 / 0.020