PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-16:27:50
G02     80.2           15.6                9.6 +/-    2.63      23.5 +/-    2.63  0.050 / 0.060
G05     44.6           39.2                7.6 +/-    0.73      11.1 +/-    0.73  0.040 / 0.060
G13     106.6          31.2               10.5 +/-    1.82      18.0 +/-    1.82  0.040 / 0.030
G15     147.7          33.8               11.7 +/-    1.44      19.0 +/-    1.44  0.040 / 0.030
G18     228.3          24.0               12.3 +/-    1.32      24.6 +/-    1.32  0.080 / 0.280
G20     270.8          84.7                8.7 +/-    0.38       8.8 +/-    0.38  0.190 / 0.380
G21     294.0          35.4                8.4 +/-    1.94      13.3 +/-    1.94  0.130 / 0.140
G25     211.0          29.7               11.7 +/-    3.25      20.6 +/-    3.25  0.120 / 0.150
G26     313.4          14.0               -4.9 +/-   32.24     -12.5 +/-   32.24  0.060 / 0.110
G29     40.2           84.3                9.7 +/-    0.46       9.7 +/-    0.46  0.050 / 0.090