PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-20:57:30
G03     235.9          68.3                9.1 +/-    0.43       9.7 +/-    0.43  0.040 / 0.040
G09     302.7          16.8                8.2 +/-    1.18      19.6 +/-    1.18  0.050 / 0.050
G14     99.1           15.4               10.8 +/-    2.14      26.7 +/-    2.14  0.180 / 0.180
G16     131.6          58.3               13.4 +/-    0.73      15.4 +/-    0.73  0.210 / 0.250
G22     195.0          56.1               10.7 +/-    0.46      12.6 +/-    0.46  0.030 / 0.040
G23     319.1          48.9                9.1 +/-    0.83      11.6 +/-    0.83  0.030 / 0.040
G26     70.6           52.3                9.3 +/-    0.75      11.4 +/-    0.75  0.110 / 0.360
G31     51.8           20.4                9.7 +/-    3.34      21.1 +/-    3.34  0.130 / 0.300