PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/31-19:57:50
G05     49.2           16.2                7.6 +/-    1.41      18.4 +/-    1.41  0.050 / 0.080
G10     237.4          15.7               14.2 +/-    1.53      34.7 +/-    1.53  0.050 / 0.080
G13     71.8           35.0                8.8 +/-    1.22      14.0 +/-    1.22  0.050 / 0.110
G15     122.2          53.8               10.5 +/-    0.41      12.6 +/-    0.41  0.060 / 0.120
G16     312.0          13.3                5.7 +/-    2.06      14.6 +/-    2.06  0.030 / 0.040
G20     250.7          39.3               11.4 +/-    1.33      16.8 +/-    1.33  0.030 / 0.050
G21     315.1          47.6                9.7 +/-    1.11      12.6 +/-    1.11  0.110 / 0.250
G26     285.3          19.9                7.0 +/-    0.86      15.4 +/-    0.86  0.080 / 0.240
G29     154.9          70.3                9.7 +/-    0.87      10.3 +/-    0.87  0.130 / 0.350