PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-22:42:40
G01     288.0          40.6                7.0 +/-    1.13      10.1 +/-    1.13  0.050 / 0.090
G03     312.5          17.9                7.0 +/-    0.99      16.1 +/-    0.99  0.040 / 0.090
G10     121.3          27.7               10.4 +/-    1.37      19.1 +/-    1.37  0.040 / 0.080
G11     262.7          25.8               10.6 +/-    1.38      20.4 +/-    1.38  0.040 / 0.090
G14     28.3           57.1                6.8 +/-    1.08       7.9 +/-    1.08  0.020 / 0.030
G22     313.9          39.3                6.2 +/-    2.62       9.2 +/-    2.62  0.040 / 0.030
G25     63.8           18.6                8.0 +/-    0.51      18.1 +/-    0.51  0.050 / 0.130
G26     158.0          13.4               11.7 +/-    2.58      30.1 +/-    2.58  0.060 / 0.110
G31     137.1          79.9                9.8 +/-    0.72       9.9 +/-    0.72  0.030 / 0.060
G32     51.7           42.1                7.2 +/-    1.31      10.2 +/-    1.31  0.040 / 0.060