PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-04:58:10
G01     86.2           32.5                5.5 +/-    1.23       9.2 +/-    1.23  0.110 / 0.100
G07     128.6          40.4                9.3 +/-    0.41      13.5 +/-    0.41  0.160 / 0.130
G11     63.2           37.3                7.6 +/-    1.15      11.6 +/-    1.15  0.020 / 0.030
G13     290.3          37.4                4.6 +/-    4.23       7.0 +/-    4.23  0.030 / 0.020
G17     216.2          59.8                9.5 +/-    0.81      10.8 +/-    0.81  0.060 / 0.060
G19     216.0          27.9                6.0 +/-    1.94      11.0 +/-    1.94  0.060 / 0.050
G28     351.0          61.7                6.1 +/-    0.49       6.9 +/-    0.49  0.050 / 0.030
G30     112.4          75.2                8.9 +/-    1.16       9.2 +/-    1.16  0.050 / 0.040