PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-10:58:00
G02     51.7           37.9                5.1 +/-    0.74       7.7 +/-    0.74  0.030 / 0.030
G05     87.1           70.0                7.1 +/-    0.66       7.5 +/-    0.66  0.020 / 0.030
G12     184.3          43.6               10.1 +/-    1.59      13.8 +/-    1.59  0.060 / 0.050
G21     263.0          10.7               -1.4 +/-   16.52      -3.7 +/-   16.52  0.050 / 0.060
G25     256.7          57.8                7.3 +/-    0.66       8.5 +/-    0.66  0.130 / 0.540
G29     320.4          43.2                6.2 +/-    1.05       8.6 +/-    1.05  0.110 / 0.470