PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-01:57:50
G10     262.8          35.6               13.3 +/-    1.24      20.9 +/-    1.24  0.240 / 0.340
G13     44.0           21.3                8.0 +/-    1.62      17.1 +/-    1.62  0.300 / 0.330
G15     65.8           53.2                8.2 +/-    0.65      10.0 +/-    0.65  0.160 / 0.230
G16     281.6          13.5                9.6 +/-    2.20      24.8 +/-    2.20  0.200 / 0.230
G20     280.4          51.3               10.8 +/-    1.15      13.4 +/-    1.15  0.120 / 0.150
G21     351.8          68.8                9.0 +/-    0.77       9.6 +/-    0.77  0.100 / 0.090
G24     122.7          11.9               11.7 +/-    2.31      31.2 +/-    2.31  0.090 / 0.210
G26     254.7          9.7                13.8 +/-    1.89      38.7 +/-    1.89  0.070 / 0.250
G27     320.3          15.6                7.0 +/-    1.62      17.2 +/-    1.62  0.050 / 0.030
G29     167.9          36.5               10.2 +/-    1.15      15.8 +/-    1.15  0.070 / 0.030