PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-16:13:10
G02     54.1           37.2                7.8 +/-    1.28      11.9 +/-    1.28  0.030 / 0.030
G05     71.3           67.6                6.2 +/-    0.63       6.6 +/-    0.63  0.040 / 0.030
G12     184.3          38.1                9.1 +/-    1.93      13.6 +/-    1.93  0.310 / 0.600
G13     130.9          11.2                5.6 +/-   21.41      15.1 +/-   21.41  0.190 / 0.410
G21     267.0          13.0                6.5 +/-   14.82      17.0 +/-   14.82  0.100 / 0.080
G25     247.4          55.4                8.8 +/-    0.74      10.4 +/-    0.74  0.060 / 0.080
G29     324.5          48.6                8.6 +/-    1.18      11.1 +/-    1.18  0.050 / 0.060