PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-18:57:50
G02     58.9           34.5                7.5 +/-    0.47      12.1 +/-    0.47  0.020 / 0.050
G05     57.2           61.0               10.4 +/-    0.75      11.7 +/-    0.75  0.020 / 0.040
G12     180.8          27.4               11.6 +/-    1.06      21.6 +/-    1.06  0.090 / 0.290
G13     126.8          16.0               12.8 +/-    1.42      31.2 +/-    1.42  0.080 / 0.290
G15     166.3          11.3                3.3 +/-   34.43       9.1 +/-   34.43  0.060 / 0.120
G21     271.8          17.0               10.1 +/-    2.55      24.1 +/-    2.55  0.060 / 0.110
G25     233.0          50.9               10.9 +/-    1.66      13.6 +/-    1.66  0.080 / 0.220
G29     328.0          54.3                7.1 +/-    0.96       8.5 +/-    0.96  0.070 / 0.270