PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-01:57:30
G10     245.3          23.4               12.8 +/-    1.16      26.0 +/-    1.16  0.110 / 0.100
G13     59.3           32.1                9.2 +/-    1.17      15.5 +/-    1.17  0.120 / 0.110
G15     97.6           57.3               13.2 +/-    0.49      15.3 +/-    0.49  0.040 / 0.050
G16     303.8          14.6                5.5 +/-    1.25      13.7 +/-    1.25  0.040 / 0.050
G20     262.0          46.5               13.4 +/-    3.73      17.7 +/-    3.73  0.090 / 0.560
G21     327.0          55.7               11.1 +/-    0.76      13.2 +/-    0.76  0.080 / 0.390
G26     275.5          17.5                9.4 +/-    2.53      21.9 +/-    2.53  0.050 / 0.110
G29     160.1          55.3               12.6 +/-    1.06      15.0 +/-    1.06  0.070 / 0.100