PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-14:28:00
G02     46.8           43.5                5.8 +/-    0.69       8.0 +/-    0.69  0.030 / 0.030
G05     105.8          70.1                8.1 +/-    0.54       8.5 +/-    0.54  0.030 / 0.030
G12     191.1          52.3                9.3 +/-    1.46      11.4 +/-    1.46  0.030 / 0.040
G20     201.8          40.2               10.2 +/-    1.41      14.8 +/-    1.41  0.030 / 0.050
G25     267.1          58.9                7.5 +/-    0.90       8.6 +/-    0.90  0.050 / 0.100
G29     320.9          44.7                4.3 +/-    1.43       5.8 +/-    1.43  0.050 / 0.110