PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-11:58:10
G01     114.8          20.7                5.3 +/-    1.61      11.4 +/-    1.61  0.090 / 0.210
G07     94.2           61.5                5.0 +/-    0.58       5.6 +/-    0.58  0.100 / 0.220
G08     43.1           25.7                3.7 +/-    0.42       7.1 +/-    0.42  0.050 / 0.040
G09     174.4          19.1                5.8 +/-    1.81      13.0 +/-    1.81  0.030 / 0.030
G11     98.1           39.9                5.7 +/-    0.61       8.2 +/-    0.61  0.020 / 0.030
G13     316.5          21.0                3.0 +/-    3.39       6.5 +/-    3.39  0.020 / 0.040
G17     202.2          31.7                7.0 +/-    1.76      11.8 +/-    1.76  0.050 / 0.110
G28     302.0          59.0                4.0 +/-    0.83       4.6 +/-    0.83  0.060 / 0.100
G30     351.6          70.9                3.0 +/-    0.97       3.1 +/-    0.97  0.100 / 0.160