PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-22:27:50
G10     247.2          23.9               11.0 +/-    2.31      22.0 +/-    2.31  0.060 / 0.060
G13     57.3           31.8               10.2 +/-    0.76      17.2 +/-    0.76  0.060 / 0.050
G15     101.4          59.1               10.6 +/-    0.41      12.1 +/-    0.41  0.030 / 0.050
G16     298.1          16.2                8.0 +/-    2.12      19.4 +/-    2.12  0.040 / 0.050
G20     251.5          18.0                6.4 +/-    1.21      14.8 +/-    1.21  0.050 / 0.140
G21     327.6          56.5                8.9 +/-    1.18      10.4 +/-    1.18  0.050 / 0.140
G26     270.1          17.3               10.8 +/-    3.35      25.3 +/-    3.35  0.030 / 0.030
G29     164.1          55.9               12.2 +/-    0.88      14.4 +/-    0.88  0.030 / 0.040