PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-13:12:40
G02     62.6           29.2                7.9 +/-    1.51      14.0 +/-    1.51  0.020 / 0.030
G05     56.3           62.0                9.5 +/-    0.66      10.6 +/-    0.66  0.020 / 0.030
G12     181.0          27.2                8.9 +/-    2.14      16.5 +/-    2.14  0.080 / 0.140
G13     124.1          16.9               10.5 +/-    1.79      24.9 +/-    1.79  0.100 / 0.150
G15     160.1          16.1                7.0 +/-    2.44      16.9 +/-    2.44  0.030 / 0.040
G21     274.3          19.1                9.0 +/-    2.29      20.2 +/-    2.29  0.030 / 0.040
G25     232.7          49.9               13.2 +/-    2.84      16.6 +/-    2.84  0.080 / 0.200
G29     330.0          56.4                7.0 +/-    0.52       8.3 +/-    0.52  0.120 / 0.260