PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-20:13:00
G01     296.3          39.0               13.6 +/-    5.43      20.1 +/-    5.43  0.060 / 0.090
G03     310.2          13.2               10.0 +/-    6.60      25.9 +/-    6.60  0.060 / 0.100
G10     116.1          31.4               15.5 +/-    0.80      26.4 +/-    0.80  0.050 / 0.050
G11     268.2          27.0               12.8 +/-    0.81      24.0 +/-    0.81  0.060 / 0.040
G14     18.4           61.1               13.1 +/-    1.07      14.8 +/-    1.07  0.220 / 0.300
G22     313.0          34.1                9.8 +/-    0.96      15.8 +/-    0.96  0.110 / 0.290
G25     65.8           16.5               20.9 +/-    1.40      50.1 +/-    1.40  0.030 / 0.030
G31     160.0          73.9               15.7 +/-    0.61      16.3 +/-    0.61  0.030 / 0.020
G32     46.2           45.6               13.1 +/-    0.91      17.5 +/-    0.91  0.070 / 0.080