PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-22:28:00
G10     285.8          47.6               10.2 +/-    0.93      13.2 +/-    0.93  0.030 / 0.050
G15     49.9           40.8                9.7 +/-    0.74      13.9 +/-    0.74  0.040 / 0.040
G20     331.8          65.0               10.4 +/-    0.84      11.3 +/-    0.84  0.080 / 0.110
G21     60.9           77.3               12.0 +/-    0.67      12.3 +/-    0.67  0.070 / 0.110
G24     103.9          22.8               12.4 +/-    1.95      25.5 +/-    1.95  0.100 / 0.220
G27     309.2          29.2                9.3 +/-    1.52      16.5 +/-    1.52  0.080 / 0.220
G29     168.8          16.0               15.5 +/-    0.78      37.7 +/-    0.78  0.030 / 0.050
G32     207.3          25.0               13.7 +/-    2.64      26.8 +/-    2.64  0.030 / 0.060