PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-16:43:10
G10     260.5          34.5                8.6 +/-    1.53      13.8 +/-    1.53  0.160 / 0.240
G13     45.2           22.7                6.9 +/-    1.05      14.3 +/-    1.05  0.120 / 0.250
G15     69.8           55.0                7.8 +/-    0.58       9.2 +/-    0.58  0.040 / 0.050
G16     285.8          13.9                6.6 +/-    1.40      16.8 +/-    1.40  0.040 / 0.050
G20     286.2          57.2                9.3 +/-    0.94      10.9 +/-    0.94  0.130 / 0.340
G21     354.3          68.7                8.4 +/-    1.30       9.0 +/-    1.30  0.130 / 0.370
G24     121.8          11.0               -2.9 +/-   36.65      -8.0 +/-   36.65  0.070 / 0.250
G26     259.8          10.8                7.0 +/-    2.27      19.2 +/-    2.27  0.070 / 0.260
G27     321.7          12.0                4.1 +/-   20.00      10.9 +/-   20.00  0.170 / 0.280
G29     166.3          37.4               11.0 +/-    1.19      16.7 +/-    1.19  0.110 / 0.270