PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/16-10:13:00
G05     48.3           17.6                2.8 +/-    0.64       6.4 +/-    0.64  0.070 / 0.150
G10     234.8          10.1              -16.3 +/-   19.33     -45.5 +/-   19.33  0.070 / 0.190
G13     79.8           37.0                4.3 +/-    1.06       6.6 +/-    1.06  0.040 / 0.050
G15     125.1          50.9                5.8 +/-    1.34       7.2 +/-    1.34  0.040 / 0.050
G16     317.3          10.6               -2.0 +/-   12.73      -5.6 +/-   12.73  0.030 / 0.080
G20     12.7           73.8                3.4 +/-    0.76       3.5 +/-    0.76  0.050 / 0.080
G21     312.6          47.3                0.6 +/-    1.56       0.8 +/-    1.56  0.110 / 0.370
G25     201.3          13.0                3.8 +/-    1.48      10.0 +/-    1.48  0.130 / 0.450
G26     290.1          20.5                3.3 +/-    1.89       7.1 +/-    1.89  0.240 / 0.260
G29     152.4          73.3                5.4 +/-    1.04       5.6 +/-    1.04  0.100 / 0.330