PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-09:43:00
G01     117.2          19.2                4.5 +/-    1.37      10.2 +/-    1.37  0.030 / 0.030
G07     87.1           64.8                4.6 +/-    0.42       5.0 +/-    0.42  0.030 / 0.040
G08     43.6           27.8                2.0 +/-    1.22       3.7 +/-    1.22  0.110 / 0.260
G09     173.5          19.7                4.5 +/-    1.62      10.0 +/-    1.62  0.110 / 0.250
G11     102.2          40.8                6.1 +/-    0.40       8.8 +/-    0.40  0.030 / 0.030
G13     316.4          21.5                0.8 +/-    2.24       1.7 +/-    2.24  0.030 / 0.050
G17     201.6          28.3                4.7 +/-    1.38       8.6 +/-    1.38  0.150 / 0.240
G18     90.5           21.5                4.3 +/-    0.92       9.2 +/-    0.92  0.130 / 0.210
G28     295.3          57.7                2.9 +/-    1.21       3.4 +/-    1.21  0.070 / 0.300
G30     346.9          69.4                3.5 +/-    0.76       3.7 +/-    0.76  0.070 / 0.210