PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-18:27:50
G08     313.1          17.7                7.6 +/-    2.15      17.7 +/-    2.15  0.050 / 0.090
G10     321.6          58.3                8.3 +/-    1.00       9.5 +/-    1.00  0.060 / 0.080
G14     215.0          25.4                9.6 +/-    4.11      18.7 +/-    4.11  0.040 / 0.050
G15     46.0           17.7                6.0 +/-    0.62      13.9 +/-    0.62  0.030 / 0.040
G20     25.8           62.5                8.0 +/-    0.76       8.9 +/-    0.76  0.090 / 0.220
G21     127.7          60.8                9.8 +/-    0.89      11.0 +/-    0.89  0.090 / 0.220
G24     76.7           28.5                7.2 +/-    0.65      13.0 +/-    0.65  0.050 / 0.080
G27     285.2          36.9                8.5 +/-    0.97      13.0 +/-    0.97  0.050 / 0.090
G32     218.3          46.3               10.5 +/-    0.98      13.9 +/-    0.98  0.090 / 0.170