PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-16:27:30
G02     59.2           33.1                8.4 +/-    1.35      13.8 +/-    1.35  0.020 / 0.040
G05     59.0           63.0               10.1 +/-    1.07      11.2 +/-    1.07  0.040 / 0.040
G12     183.1          31.5                9.0 +/-    1.66      15.2 +/-    1.66  0.170 / 0.460
G13     126.1          15.3               11.1 +/-    2.06      27.5 +/-    2.06  0.160 / 0.390
G15     163.4          13.0                9.5 +/-    2.70      24.9 +/-    2.70  0.050 / 0.100
G21     271.9          16.9               10.9 +/-    1.38      26.0 +/-    1.38  0.070 / 0.130
G25     237.1          51.8                8.2 +/-    1.39      10.1 +/-    1.39  0.050 / 0.070
G29     328.6          54.4                6.8 +/-    2.18       8.1 +/-    2.18  0.070 / 0.080