PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-00:13:10
G05     48.0           18.1                6.7 +/-    0.57      15.3 +/-    0.57  0.050 / 0.100
G10     234.5          12.0               14.7 +/-    3.02      39.2 +/-    3.02  0.050 / 0.100
G13     77.7           35.5                9.5 +/-    0.73      14.9 +/-    0.73  0.170 / 0.390
G15     126.3          51.1               12.5 +/-    0.72      15.5 +/-    0.72  0.130 / 0.380
G16     317.1          10.8               -1.2 +/-   17.45      -3.2 +/-   17.45  0.150 / 0.280
G20     246.2          35.0               12.2 +/-    1.20      19.3 +/-    1.20  0.110 / 0.290
G21     311.2          45.2                7.9 +/-    1.44      10.6 +/-    1.44  0.130 / 0.550
G25     200.9          13.4               13.1 +/-    1.91      33.9 +/-    1.91  0.150 / 0.440
G26     290.8          20.0               11.0 +/-    2.29      24.2 +/-    2.29  0.050 / 0.120
G29     149.3          73.5               11.4 +/-    0.55      11.9 +/-    0.55  0.070 / 0.150