PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-16:42:40
G10     249.5          25.1               11.7 +/-    0.98      22.8 +/-    0.98  0.040 / 0.040
G13     55.7           31.7                8.6 +/-    1.27      14.6 +/-    1.27  0.040 / 0.040
G15     86.9           56.9               11.2 +/-    0.94      13.0 +/-    0.94  0.100 / 0.270
G16     302.1          13.3                6.8 +/-    2.00      17.5 +/-    2.00  0.120 / 0.290
G18     268.8          56.6               10.2 +/-    1.19      11.9 +/-    1.19  0.040 / 0.050
G20     40.3           51.5                9.3 +/-    0.92      11.6 +/-    0.92  0.040 / 0.050
G21     338.7          62.5                9.5 +/-    0.99      10.5 +/-    0.99  0.060 / 0.110
G26     272.4          15.7                9.0 +/-    0.92      22.0 +/-    0.92  0.050 / 0.140
G29     161.9          46.0               11.2 +/-    0.75      14.9 +/-    0.75  0.150 / 0.430