PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-18:27:30
G02     57.7           35.9                8.4 +/-    1.51      13.2 +/-    1.51  0.020 / 0.030
G05     59.1           62.9                8.1 +/-    0.55       9.0 +/-    0.55  0.030 / 0.030
G12     182.0          29.2               11.0 +/-    1.19      19.6 +/-    1.19  0.080 / 0.100
G13     127.2          15.7               11.9 +/-    1.78      29.0 +/-    1.78  0.050 / 0.090
G15     167.7          10.2               -7.5 +/-   16.62     -20.9 +/-   16.62  0.060 / 0.080
G21     271.9          17.6               10.4 +/-    1.54      24.3 +/-    1.54  0.090 / 0.090
G25     232.5          51.0               10.1 +/-    2.10      12.5 +/-    2.10  0.120 / 0.220
G29     328.3          54.4                7.5 +/-    0.74       9.0 +/-    0.74  0.130 / 0.210