PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-08:57:30
G02     206.1          40.9                9.7 +/-    1.35      14.0 +/-    1.35  0.140 / 0.200
G06     146.5          75.5                8.0 +/-    0.80       8.2 +/-    0.80  0.090 / 0.180
G12     311.1          20.9                5.3 +/-    3.60      11.4 +/-    3.60  0.050 / 0.070
G17     44.3           41.8                4.3 +/-    0.34       6.1 +/-    0.34  0.050 / 0.080
G19     9.1            62.4                4.1 +/-    0.85       4.6 +/-    0.85  0.030 / 0.050
G24     284.5          43.4                4.7 +/-    0.82       6.5 +/-    0.82  0.040 / 0.060
G28     108.1          28.0                5.3 +/-    1.17       9.7 +/-    1.17  0.090 / 0.180