PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-17:57:30
G10     248.5          24.1               13.1 +/-    1.07      26.1 +/-    1.07  0.040 / 0.060
G13     57.0           32.5                9.6 +/-    0.60      16.1 +/-    0.60  0.040 / 0.060
G15     90.0           57.2               11.9 +/-    0.65      13.8 +/-    0.65  0.140 / 0.370
G16     303.9          13.0                8.2 +/-    1.67      21.3 +/-    1.67  0.150 / 0.480
G18     266.5          55.5               13.0 +/-    0.79      15.4 +/-    0.79  0.040 / 0.050
G20     39.9           51.9                9.8 +/-    0.63      12.1 +/-    0.63  0.030 / 0.050
G21     335.3          61.0               11.3 +/-    0.61      12.7 +/-    0.61  0.050 / 0.130
G26     274.6          16.0               10.9 +/-    1.91      26.5 +/-    1.91  0.050 / 0.130
G29     161.0          46.3               13.1 +/-    1.63      17.3 +/-    1.63  0.170 / 0.420