PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-11:12:20
G02     36.0           52.2                6.5 +/-    0.55       7.9 +/-    0.55  0.030 / 0.030
G05     142.8          62.5                9.0 +/-    0.72      10.0 +/-    0.72  0.030 / 0.040
G06     54.3           13.9                2.7 +/-    1.16       6.8 +/-    1.16  0.030 / 0.040
G12     190.1          64.3                8.4 +/-    0.87       9.2 +/-    0.87  0.020 / 0.040
G25     294.6          54.3                6.7 +/-    1.18       8.0 +/-    1.18  0.040 / 0.050
G29     307.6          28.2                3.1 +/-    0.52       5.6 +/-    0.52  0.030 / 0.050