PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-18:13:10
G10     256.3          30.4               10.3 +/-    2.24      17.9 +/-    2.24  0.440 / 0.290
G13     49.0           27.2                7.0 +/-    1.66      13.0 +/-    1.66  0.340 / 0.370
G15     72.9           54.6                9.6 +/-    0.52      11.4 +/-    0.52  0.160 / 0.270
G16     295.3          12.9                8.4 +/-    0.98      22.0 +/-    0.98  0.150 / 0.230
G18     281.4          60.7               10.7 +/-    1.12      12.1 +/-    1.12  0.050 / 0.030
G20     46.4           44.3                8.8 +/-    0.84      11.9 +/-    0.84  0.050 / 0.030
G21     349.3          67.0               10.5 +/-    0.40      11.3 +/-    0.40  0.060 / 0.070
G26     266.0          12.7                9.5 +/-    2.48      25.0 +/-    2.48  0.050 / 0.060
G27     321.6          11.6               -3.8 +/-   28.13     -10.3 +/-   28.13  0.110 / 0.270
G29     163.5          36.5               10.6 +/-    0.59      16.3 +/-    0.59  0.090 / 0.310