PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-21:12:40
G05     52.3           10.2                8.8 +/-    2.29      24.6 +/-    2.29  0.140 / 0.310
G10     242.5          19.5               15.7 +/-    1.53      34.9 +/-    1.53  0.110 / 0.350
G13     63.9           34.3               11.0 +/-    0.97      17.7 +/-    0.97  0.040 / 0.060
G15     115.3          57.3               12.2 +/-    0.55      14.2 +/-    0.55  0.040 / 0.070
G16     303.9          15.8                9.3 +/-    3.84      22.6 +/-    3.84  0.120 / 0.700
G20     245.4          6.3                 4.8 +/-    1.55      14.4 +/-    1.55  0.150 / 0.590
G21     321.1          52.3               11.6 +/-    1.10      14.2 +/-    1.10  0.070 / 0.130
G26     276.1          19.2               11.7 +/-    2.05      26.2 +/-    2.05  0.070 / 0.130
G29     161.8          63.1               12.4 +/-    0.76      13.8 +/-    0.76  0.040 / 0.050