PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-17:57:50
G10     248.5          24.1               13.2 +/-    0.75      26.3 +/-    0.75  0.060 / 0.060
G13     57.0           32.5                8.6 +/-    1.13      14.4 +/-    1.13  0.060 / 0.050
G15     90.0           57.2               11.4 +/-    1.77      13.3 +/-    1.77  0.200 / 0.450
G16     303.9          13.0                8.4 +/-    2.01      21.9 +/-    2.01  0.330 / 0.430
G18     266.5          55.5               11.1 +/-    1.56      13.1 +/-    1.56  0.050 / 0.040
G20     39.9           51.9                9.3 +/-    0.99      11.4 +/-    0.99  0.050 / 0.040
G21     335.3          61.0                9.8 +/-    0.43      11.0 +/-    0.43  0.040 / 0.110
G26     274.6          16.0               11.2 +/-    2.10      27.1 +/-    2.10  0.060 / 0.130
G29     161.0          46.3               12.2 +/-    1.08      16.1 +/-    1.08  0.170 / 0.380