PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-17:12:30
G10     247.0          22.8               11.1 +/-    3.32      22.7 +/-    3.32  0.050 / 0.070
G13     58.8           33.3                9.0 +/-    1.19      14.8 +/-    1.19  0.040 / 0.050
G15     93.4           57.2               11.4 +/-    0.86      13.3 +/-    0.86  0.040 / 0.060
G16     305.5          12.9                5.8 +/-    1.44      15.1 +/-    1.44  0.040 / 0.050
G18     264.1          54.5               12.1 +/-    1.12      14.5 +/-    1.12  0.140 / 0.360
G20     38.3           53.9                9.1 +/-    0.73      11.0 +/-    0.73  0.120 / 0.400
G21     333.7          60.1               10.3 +/-    0.46      11.7 +/-    0.46  0.040 / 0.130
G26     275.8          16.6                9.3 +/-    1.13      22.2 +/-    1.13  0.050 / 0.140
G29     160.6          48.9               13.7 +/-    1.08      17.6 +/-    1.08  0.120 / 0.460