PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-21:13:10
G10     260.3          34.2               10.7 +/-    1.26      17.2 +/-    1.26  0.080 / 0.090
G13     45.3           22.9                9.1 +/-    1.46      18.8 +/-    1.46  0.080 / 0.100
G15     74.5           57.8               10.2 +/-    0.43      11.8 +/-    0.43  0.150 / 0.260
G16     284.5          14.1               10.6 +/-    1.27      26.9 +/-    1.27  0.110 / 0.190
G20     285.7          57.1               10.0 +/-    1.15      11.7 +/-    1.15  0.140 / 0.360
G21     349.1          67.5                8.1 +/-    0.86       8.7 +/-    0.86  0.120 / 0.370
G24     123.5          10.7               -3.1 +/-   44.63      -8.6 +/-   44.63  0.200 / 0.300
G26     257.9          10.9               13.6 +/-    2.29      37.1 +/-    2.29  0.120 / 0.350
G27     321.4          12.8                8.0 +/-    2.55      21.0 +/-    2.55  0.040 / 0.050
G29     167.2          38.8               12.3 +/-    1.05      18.2 +/-    1.05  0.040 / 0.060