PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-04:43:10
G10     259.1          34.3                7.9 +/-    1.58      12.8 +/-    1.58  0.110 / 0.090
G13     46.0           23.2                5.2 +/-    2.29      10.5 +/-    2.29  0.120 / 0.080
G15     67.9           52.9                6.2 +/-    0.76       7.5 +/-    0.76  0.040 / 0.040
G16     289.7          13.8                6.7 +/-    1.58      17.2 +/-    1.58  0.050 / 0.040
G20     284.1          56.5                7.0 +/-    2.28       8.2 +/-    2.28  0.180 / 0.190
G21     349.8          67.1                6.2 +/-    0.81       6.7 +/-    0.81  0.300 / 0.310
G26     261.8          11.5                7.7 +/-    6.68      20.9 +/-    6.68  0.100 / 0.240
G27     322.0          11.3               -6.8 +/-   30.52     -18.3 +/-   30.52  0.140 / 0.160
G29     164.3          36.5                7.5 +/-    0.62      11.6 +/-    0.62  0.030 / 0.040