PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-22:27:40
G10     264.0          36.5                8.8 +/-    1.55      13.6 +/-    1.55  0.140 / 0.240
G13     43.2           20.2                7.3 +/-    1.56      15.9 +/-    1.56  0.120 / 0.230
G15     66.1           54.2                7.6 +/-    0.43       9.2 +/-    0.43  0.050 / 0.050
G16     279.9          13.3                7.1 +/-    1.89      18.3 +/-    1.89  0.040 / 0.050
G20     264.3          25.1                4.5 +/-    0.74       8.8 +/-    0.74  0.150 / 0.390
G21     353.4          69.4                8.3 +/-    0.80       8.8 +/-    0.80  0.210 / 0.340
G24     121.0          12.7                8.0 +/-    1.25      20.9 +/-    1.25  0.110 / 0.350
G27     320.0          16.3                5.8 +/-    1.94      14.0 +/-    1.94  0.140 / 0.330
G29     168.0          35.5                7.2 +/-    0.98      11.3 +/-    0.98  0.080 / 0.250