PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-22:12:30
G05     49.3           16.1                5.6 +/-    0.49      13.6 +/-    0.49  0.120 / 0.150
G10     237.0          13.6               13.2 +/-    3.56      34.1 +/-    3.56  0.110 / 0.240
G13     73.7           36.1                8.8 +/-    1.05      13.7 +/-    1.05  0.050 / 0.070
G15     127.7          52.8               10.8 +/-    0.59      13.2 +/-    0.59  0.040 / 0.060
G16     311.5          13.9                8.4 +/-    2.86      21.4 +/-    2.86  0.130 / 0.320
G20     242.3          10.1               12.9 +/-    1.55      35.8 +/-    1.55  0.110 / 0.350
G21     313.6          47.1                7.5 +/-    1.46       9.8 +/-    1.46  0.170 / 0.420
G26     284.3          20.8                9.7 +/-    2.13      21.0 +/-    2.13  0.140 / 0.330
G29     157.4          72.2               10.4 +/-    1.14      10.8 +/-    1.14  0.060 / 0.120