PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-23:13:10
G08     291.1          23.6                7.8 +/-    1.26      15.8 +/-    1.26  0.070 / 0.100
G10     10.0           63.0                7.2 +/-    0.60       8.0 +/-    0.60  0.070 / 0.130
G14     230.5          46.5               10.9 +/-    1.60      14.4 +/-    1.60  0.040 / 0.090
G18     317.6          11.4               -4.9 +/-   22.54     -13.2 +/-   22.54  0.040 / 0.090
G20     66.5           51.8                8.1 +/-    0.32      10.0 +/-    0.32  0.060 / 0.100
G21     147.0          39.4               10.1 +/-    0.86      14.8 +/-    0.86  0.070 / 0.100
G24     53.3           23.4                6.4 +/-    0.67      13.0 +/-    0.67  0.060 / 0.110
G27     254.7          31.3                9.7 +/-    1.96      16.6 +/-    1.96  0.080 / 0.110
G32     248.9          69.6                9.7 +/-    0.94      10.3 +/-    0.94  0.090 / 0.260