PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-22:42:40
G05     48.9           16.9                7.2 +/-    0.47      17.1 +/-    0.47  0.060 / 0.140
G10     236.3          12.6               13.4 +/-    5.44      35.2 +/-    5.44  0.100 / 0.210
G13     75.3           36.3               10.1 +/-    1.08      15.7 +/-    1.08  0.100 / 0.410
G15     128.9          52.0               12.4 +/-    0.75      15.3 +/-    0.75  0.110 / 0.310
G16     312.6          13.4                7.8 +/-    1.25      20.2 +/-    1.25  0.110 / 0.370
G20     242.3          13.3                7.9 +/-    1.63      20.5 +/-    1.63  0.210 / 0.360
G21     312.5          46.3                8.9 +/-    0.91      11.8 +/-    0.91  0.330 / 0.430
G25     198.8          10.5                8.2 +/-   31.73      22.7 +/-   31.73  0.280 / 0.340
G26     285.6          20.9                9.1 +/-    3.53      19.6 +/-    3.53  0.050 / 0.090
G29     156.4          73.5               11.4 +/-    0.90      11.8 +/-    0.90  0.050 / 0.090