PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/29-23:57:50
G01     228.8          19.4                9.1 +/-    2.46      20.2 +/-    2.46  0.020 / 0.030
G03     295.3          64.9                7.7 +/-    1.02       8.4 +/-    1.02  0.030 / 0.030
G14     84.1           25.7                7.2 +/-    2.15      13.8 +/-    2.15  0.230 / 0.300
G16     154.8          39.4               10.4 +/-    0.78      15.4 +/-    0.78  0.200 / 0.370
G22     229.0          73.3                9.0 +/-    0.39       9.3 +/-    0.39  0.050 / 0.080
G23     304.3          34.0                6.4 +/-    1.39      10.3 +/-    1.39  0.060 / 0.060
G26     108.4          53.9                8.8 +/-    0.33      10.6 +/-    0.33  0.060 / 0.080
G31     43.0           37.8                5.9 +/-    1.41       8.9 +/-    1.41  0.060 / 0.080