PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-20:57:40
G05     47.3           20.7                8.0 +/-    2.88      17.3 +/-    2.88  0.050 / 0.070
G10     233.5          11.0              -12.9 +/-   32.49     -35.4 +/-   32.49  0.070 / 0.090
G13     79.7           35.4               12.5 +/-    1.25      19.6 +/-    1.25  0.090 / 0.120
G15     130.4          49.8               12.0 +/-    1.33      15.2 +/-    1.33  0.090 / 0.140
G16     317.4          10.9               -0.9 +/-   18.64      -2.6 +/-   18.64  0.040 / 0.050
G20     245.0          34.1               11.7 +/-    1.36      18.9 +/-    1.36  0.040 / 0.050
G21     309.4          43.6                9.9 +/-    1.09      13.6 +/-    1.09  0.150 / 0.280
G25     202.0          14.9               14.4 +/-    2.57      35.9 +/-    2.57  0.110 / 0.320
G26     291.7          20.2                9.1 +/-    1.42      20.0 +/-    1.42  0.190 / 0.430
G29     147.7          76.9               10.9 +/-    0.58      11.1 +/-    0.58  0.340 / 0.610