PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-17:12:50
G10     265.4          38.8               14.2 +/-    1.32      21.1 +/-    1.32  0.100 / 0.130
G13     42.3           18.5               10.5 +/-    1.22      24.0 +/-    1.22  0.090 / 0.160
G15     59.7           48.6               11.0 +/-    0.70      14.1 +/-    0.70  0.130 / 0.330
G16     280.0          13.3               10.7 +/-    2.25      27.6 +/-    2.25  0.110 / 0.410
G20     297.9          60.9               12.8 +/-    0.35      14.4 +/-    0.35  0.100 / 0.350
G21     358.5          70.2               13.5 +/-    0.90      14.2 +/-    0.90  0.090 / 0.300
G24     123.9          12.9               16.9 +/-    2.17      44.3 +/-    2.17  0.050 / 0.040
G27     319.6          17.2                9.4 +/-    1.49      22.1 +/-    1.49  0.040 / 0.050
G29     167.2          34.4               15.2 +/-    0.77      24.4 +/-    0.77  0.040 / 0.070