PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-01:12:30
G10     249.8          27.5               10.5 +/-    1.87      19.4 +/-    1.87  0.100 / 0.110
G13     53.8           29.4                9.3 +/-    1.58      16.5 +/-    1.58  0.090 / 0.110
G15     86.5           57.2               10.3 +/-    1.14      12.0 +/-    1.14  0.050 / 0.050
G16     298.0          15.2                6.9 +/-    1.68      17.0 +/-    1.68  0.030 / 0.040
G20     268.8          50.1               11.0 +/-    2.42      13.8 +/-    2.42  0.100 / 0.390
G21     333.0          59.3                9.7 +/-    0.95      11.1 +/-    0.95  0.100 / 0.450
G26     269.9          15.8               10.4 +/-    3.07      25.4 +/-    3.07  0.100 / 0.180
G29     162.4          49.6               11.8 +/-    0.61      15.0 +/-    0.61  0.090 / 0.160