PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-19:42:50
G02     59.8           33.0                9.5 +/-    0.56      15.6 +/-    0.56  0.050 / 0.080
G05     55.9           60.0               11.3 +/-    0.51      12.8 +/-    0.51  0.040 / 0.070
G12     184.3          31.6               15.8 +/-    1.66      26.7 +/-    1.66  0.090 / 0.130
G13     125.3          16.1               16.7 +/-    2.26      40.3 +/-    2.26  0.050 / 0.110
G15     162.9          13.8               19.7 +/-    2.15      50.4 +/-    2.15  0.150 / 0.410
G21     272.8          17.6               14.8 +/-    2.41      34.5 +/-    2.41  0.160 / 0.430
G25     235.5          51.0               13.7 +/-    1.02      17.1 +/-    1.02  0.090 / 0.280
G29     330.2          56.4               10.6 +/-    1.11      12.5 +/-    1.11  0.080 / 0.260