PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-17:43:00
G10     246.4          23.5               10.9 +/-    1.78      22.0 +/-    1.78  0.140 / 0.410
G13     58.3           32.1                8.5 +/-    1.30      14.3 +/-    1.30  0.190 / 0.410
G15     103.5          58.9                9.7 +/-    0.47      11.1 +/-    0.47  0.030 / 0.050
G16     300.8          15.4                6.3 +/-    2.13      15.4 +/-    2.13  0.040 / 0.060
G20     263.4          47.5               10.3 +/-    3.87      13.4 +/-    3.87  0.060 / 0.140
G21     329.4          57.4               10.1 +/-    0.81      11.7 +/-    0.81  0.050 / 0.150
G26     273.5          17.2                9.4 +/-    2.46      22.1 +/-    2.46  0.020 / 0.040
G29     162.6          55.6               10.7 +/-    1.04      12.6 +/-    1.04  0.040 / 0.040