PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-17:42:30
G10     247.5          23.3               11.5 +/-    2.51      23.4 +/-    2.51  0.030 / 0.060
G13     58.2           33.0                8.0 +/-    0.93      13.2 +/-    0.93  0.040 / 0.060
G15     92.4           57.2                9.4 +/-    0.69      10.9 +/-    0.69  0.130 / 0.350
G16     305.2          12.8                6.7 +/-    3.08      17.6 +/-    3.08  0.140 / 0.390
G18     264.8          54.8               10.9 +/-    1.15      13.1 +/-    1.15  0.030 / 0.050
G20     39.0           53.1                9.0 +/-    0.37      10.9 +/-    0.37  0.040 / 0.050
G21     333.9          60.3               10.0 +/-    0.58      11.3 +/-    0.58  0.140 / 0.370
G26     275.6          16.4               10.1 +/-    2.19      24.3 +/-    2.19  0.150 / 0.370
G29     160.6          47.8               13.3 +/-    1.35      17.3 +/-    1.35  0.050 / 0.110