PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-07:12:50
G01     127.2          11.4                0.2 +/-   26.26       0.5 +/-   26.26  0.040 / 0.040
G07     55.4           69.1                5.6 +/-    0.53       6.0 +/-    0.53  0.040 / 0.050
G08     49.3           37.6                2.8 +/-    0.77       4.2 +/-    0.77  0.030 / 0.030
G09     174.3          31.6                6.5 +/-    0.95      11.1 +/-    0.95  0.030 / 0.030
G11     116.7          35.5                7.3 +/-    0.52      11.4 +/-    0.52  0.130 / 0.360
G13     321.0          11.8               -6.7 +/-   12.53     -18.1 +/-   12.53  0.100 / 0.350
G17     199.0          16.6                5.2 +/-    2.15      12.5 +/-    2.15  0.090 / 0.260
G18     102.0          16.5                5.9 +/-    1.12      14.2 +/-    1.12  0.090 / 0.270
G28     274.4          51.9                6.1 +/-    0.91       7.5 +/-    0.91  0.120 / 0.510
G30     330.4          59.0                3.9 +/-    1.08       4.5 +/-    1.08  0.110 / 0.420