PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-21:43:00
G10     242.1          20.6               14.7 +/-    1.91      31.8 +/-    1.91  0.150 / 0.550
G13     63.8           33.5               10.4 +/-    0.50      16.9 +/-    0.50  0.130 / 0.640
G15     108.6          56.9               12.1 +/-    0.65      14.1 +/-    0.65  0.050 / 0.070
G16     306.2          14.8                8.1 +/-    2.30      20.3 +/-    2.30  0.050 / 0.060
G20     257.3          43.6               11.0 +/-    2.52      15.1 +/-    2.52  0.110 / 0.150
G21     321.7          52.1               12.6 +/-    1.35      15.5 +/-    1.35  0.080 / 0.170
G26     278.6          18.8               10.8 +/-    1.65      24.5 +/-    1.65  0.060 / 0.140
G29     159.0          62.1               12.3 +/-    0.64      13.7 +/-    0.64  0.070 / 0.120