PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-01:57:50
G03     189.9          17.4                6.4 +/-    4.02      15.0 +/-    4.02  0.090 / 0.120
G07     296.1          41.4                6.0 +/-    1.06       8.6 +/-    1.06  0.090 / 0.120
G08     137.0          32.4                8.0 +/-    1.15      13.4 +/-    1.15  0.150 / 0.300
G09     320.3          72.6                5.5 +/-    0.93       5.7 +/-    0.93  0.180 / 0.220
G16     42.3           31.6                4.4 +/-    1.19       7.5 +/-    1.19  0.060 / 0.150
G23     130.2          74.6                6.7 +/-    0.72       6.9 +/-    0.72  0.050 / 0.140
G27     93.0           35.3                7.0 +/-    0.35      11.1 +/-    0.35  0.030 / 0.040
G30     276.8          13.3                5.3 +/-    1.58      13.7 +/-    1.58  0.030 / 0.030