PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/07-03:43:10
G05     47.7           18.7                3.5 +/-    0.62       7.9 +/-    0.62  0.180 / 0.390
G10     233.8          10.8               -9.5 +/-   37.03     -26.0 +/-   37.03  0.170 / 0.390
G13     79.6           35.7                6.6 +/-    0.92      10.4 +/-    0.92  0.180 / 0.320
G15     127.4          50.2                7.9 +/-    0.50      10.0 +/-    0.50  0.250 / 0.320
G20     245.1          34.4                9.1 +/-    1.51      14.7 +/-    1.51  0.050 / 0.120
G25     200.8          13.9                6.3 +/-    3.75      16.0 +/-    3.75  0.050 / 0.120
G26     293.5          19.5                7.1 +/-    1.40      15.8 +/-    1.40  0.090 / 0.150
G29     146.8          72.6                7.7 +/-    0.73       8.0 +/-    0.73  0.070 / 0.140