PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-03:27:30
G05     49.6           14.1                6.2 +/-    1.07      15.9 +/-    1.07  0.040 / 0.060
G10     237.3          15.1               13.3 +/-    1.68      32.9 +/-    1.68  0.050 / 0.050
G13     72.3           35.3               10.7 +/-    1.12      16.9 +/-    1.12  0.110 / 0.240
G15     118.6          53.7               12.2 +/-    0.87      14.8 +/-    0.87  0.130 / 0.260
G16     314.8          11.5                5.5 +/-    5.28      14.9 +/-    5.28  0.290 / 0.430
G20     250.3          38.7               11.5 +/-    1.16      17.1 +/-    1.16  0.220 / 0.400
G21     316.4          49.0               10.2 +/-    0.77      13.1 +/-    0.77  0.060 / 0.110
G26     287.5          19.4               10.1 +/-    1.31      22.6 +/-    1.31  0.050 / 0.110
G29     152.9          66.6               12.0 +/-    1.10      12.9 +/-    1.10  0.030 / 0.030