PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-19:57:40
G03     185.7          12.7               12.1 +/-    3.42      31.8 +/-    3.42  0.070 / 0.090
G07     296.7          40.8               10.2 +/-    3.01      14.6 +/-    3.01  0.090 / 0.090
G08     139.9          32.4               12.3 +/-    1.48      20.4 +/-    1.48  0.090 / 0.130
G09     317.7          68.5                9.9 +/-    0.56      10.5 +/-    0.56  0.060 / 0.130
G16     41.7           32.6                9.0 +/-    1.17      15.0 +/-    1.17  0.070 / 0.080
G23     132.8          70.7               10.0 +/-    0.82      10.6 +/-    0.82  0.100 / 0.080
G27     90.3           35.9               11.7 +/-    0.99      18.3 +/-    0.99  0.220 / 0.350
G30     280.0          19.3               11.5 +/-    1.77      25.7 +/-    1.77  0.240 / 0.410