PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-01:57:40
G10     262.8          35.6               13.7 +/-    1.07      21.4 +/-    1.07  0.150 / 0.410
G13     44.0           21.3                9.2 +/-    0.85      19.6 +/-    0.85  0.170 / 0.340
G15     65.8           53.2               10.2 +/-    0.36      12.4 +/-    0.36  0.120 / 0.300
G16     281.6          13.5               10.1 +/-    1.63      26.0 +/-    1.63  0.100 / 0.270
G20     280.4          51.3               14.6 +/-    1.02      18.1 +/-    1.02  0.100 / 0.090
G21     351.8          68.8               10.1 +/-    0.92      10.8 +/-    0.92  0.100 / 0.080
G24     122.7          11.9               11.1 +/-    1.64      29.8 +/-    1.64  0.060 / 0.060
G27     320.3          15.6                7.0 +/-    0.92      17.2 +/-    0.92  0.060 / 0.060
G29     167.9          36.5               12.4 +/-    1.16      19.2 +/-    1.16  0.090 / 0.370