PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-08:12:50
G01     91.7           30.3                6.1 +/-    0.55      10.6 +/-    0.55  0.030 / 0.030
G07     122.6          46.8                8.3 +/-    2.14      11.0 +/-    2.14  0.030 / 0.030
G08     42.0           11.4                3.7 +/-    3.27      10.0 +/-    3.27  0.030 / 0.050
G11     73.6           43.0                6.5 +/-    0.85       9.0 +/-    0.85  0.040 / 0.050
G13     296.9          36.3                6.8 +/-    1.25      10.5 +/-    1.25  0.080 / 0.150
G17     211.4          49.1               10.7 +/-    1.69      13.7 +/-    1.69  0.060 / 0.120
G18     66.1           24.3                4.7 +/-    1.24       9.3 +/-    1.24  0.070 / 0.170
G19     212.1          26.4                7.4 +/-    3.73      14.0 +/-    3.73  0.070 / 0.140
G28     326.8          60.6                4.9 +/-    0.61       5.5 +/-    0.61  0.090 / 0.130
G30     84.2           80.1                6.1 +/-    0.67       6.2 +/-    0.67  0.080 / 0.140