PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-19:43:10
G10     285.8          47.7               10.7 +/-    0.86      13.9 +/-    0.86  0.070 / 0.110
G15     49.4           39.4               10.0 +/-    0.81      14.7 +/-    0.81  0.100 / 0.120
G20     331.8          65.0               10.1 +/-    1.09      11.0 +/-    1.09  0.040 / 0.040
G21     64.7           76.8               10.4 +/-    1.02      10.6 +/-    1.02  0.040 / 0.040
G24     103.0          22.7               13.2 +/-    0.92      27.1 +/-    0.92  0.090 / 0.180
G27     309.7          28.7               10.8 +/-    1.33      19.4 +/-    1.33  0.090 / 0.220
G29     168.4          15.5               13.5 +/-    3.78      33.1 +/-    3.78  0.040 / 0.060
G32     207.4          24.3               14.1 +/-    1.96      28.0 +/-    1.96  0.050 / 0.060