PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-08:12:30
G02     205.2          39.3                7.7 +/-    1.64      11.4 +/-    1.64  0.040 / 0.040
G06     152.9          73.7                7.7 +/-    0.97       8.0 +/-    0.97  0.040 / 0.050
G12     310.0          19.2                4.6 +/-    1.66      10.4 +/-    1.66  0.060 / 0.080
G17     42.8           43.1                4.9 +/-    0.55       6.8 +/-    0.55  0.060 / 0.070
G19     6.2            63.4                4.5 +/-    0.54       5.0 +/-    0.54  0.160 / 0.210
G24     286.6          43.2                5.7 +/-    0.98       7.9 +/-    0.98  0.100 / 0.210
G28     106.4          29.4                9.1 +/-    1.22      16.1 +/-    1.22  0.030 / 0.050