PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-07:58:00
G01     89.3           31.9                5.1 +/-    1.02       8.6 +/-    1.02  0.070 / 0.050
G07     126.2          43.8                6.4 +/-    0.93       8.8 +/-    0.93  0.070 / 0.060
G11     67.9           38.6                3.0 +/-    0.57       4.4 +/-    0.57  0.110 / 0.390
G13     295.5          35.1                1.5 +/-    1.25       2.4 +/-    1.25  0.140 / 0.440
G15     315.0          10.4               -9.3 +/-   10.19     -25.8 +/-   10.19  0.050 / 0.060
G17     214.9          56.1                5.8 +/-    1.58       6.8 +/-    1.58  0.050 / 0.060
G19     214.8          29.1                6.0 +/-    2.58      10.7 +/-    2.58  0.050 / 0.050
G28     351.8          61.6                1.6 +/-    0.96       1.8 +/-    0.96  0.060 / 0.050
G30     105.3          75.3                4.6 +/-    1.54       4.7 +/-    1.54  0.090 / 0.090