PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-19:13:10
G05     50.3           15.4               17.3 +/-    1.54      42.7 +/-    1.54  0.080 / 0.180
G10     239.7          15.5               31.6 +/-    2.66      77.8 +/-    2.66  0.080 / 0.200
G13     70.7           36.8               22.6 +/-    0.49      34.7 +/-    0.49  0.040 / 0.070
G15     114.6          55.0               26.4 +/-    0.36      31.4 +/-    0.36  0.040 / 0.060
G16     313.5          11.5               13.3 +/-    2.53      35.8 +/-    2.53  0.130 / 0.330
G18     251.2          46.8               25.5 +/-    1.83      33.5 +/-    1.83  0.090 / 0.330
G20     31.8           61.8               23.4 +/-    0.82      26.2 +/-    0.82  0.040 / 0.040
G21     320.0          52.3               23.6 +/-    1.08      29.0 +/-    1.08  0.040 / 0.040
G26     286.9          18.5               18.0 +/-    1.94      41.1 +/-    1.94  0.170 / 0.670
G29     156.3          60.6               28.1 +/-    0.49      31.7 +/-    0.49  0.200 / 0.640