PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-15:58:00
G01     229.7          20.9                9.4 +/-    1.35      20.2 +/-    1.35  0.100 / 0.220
G03     294.9          67.4                6.3 +/-    1.43       6.7 +/-    1.43  0.110 / 0.270
G14     82.1           26.6                6.8 +/-    1.38      12.9 +/-    1.38  0.050 / 0.060
G16     156.2          36.4               10.2 +/-    2.65      15.8 +/-    2.65  0.040 / 0.050
G22     220.1          73.4                8.9 +/-    0.63       9.2 +/-    0.63  0.030 / 0.040
G23     302.9          32.8                9.1 +/-    1.13      15.0 +/-    1.13  0.030 / 0.030
G26     114.9          53.0                8.6 +/-    1.01      10.5 +/-    1.01  0.080 / 0.140
G31     42.9           39.1                5.3 +/-    1.15       7.8 +/-    1.15  0.080 / 0.150
G32     93.7           12.6                9.4 +/-    1.87      24.8 +/-    1.87  0.100 / 0.170