PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-22:13:00
G10     258.7          32.0               15.5 +/-    2.19      26.0 +/-    2.19  0.060 / 0.080
G13     47.4           25.9               12.5 +/-    1.36      24.0 +/-    1.36  0.120 / 0.070
G15     70.7           54.5               14.9 +/-    0.69      17.9 +/-    0.69  0.270 / 0.480
G16     289.9          13.2               12.3 +/-    1.84      31.8 +/-    1.84  0.220 / 0.290
G18     284.1          60.9               13.2 +/-    1.19      14.8 +/-    1.19  0.030 / 0.040
G20     49.3           40.5               12.3 +/-    1.35      17.8 +/-    1.35  0.040 / 0.040
G21     348.5          67.3               14.4 +/-    0.66      15.5 +/-    0.66  0.100 / 0.280
G26     262.8          11.6               16.3 +/-    1.83      44.0 +/-    1.83  0.110 / 0.250
G27     320.9          13.9               11.0 +/-    1.03      28.1 +/-    1.03  0.060 / 0.070
G29     165.3          36.1               15.5 +/-    0.78      24.2 +/-    0.78  0.050 / 0.070