PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-19:28:00
G08     321.0          10.9               -5.0 +/-   39.80     -13.8 +/-   39.80  0.060 / 0.090
G10     301.9          53.4                8.8 +/-    1.20      10.7 +/-    1.20  0.090 / 0.080
G14     210.8          14.2                9.7 +/-    4.20      24.7 +/-    4.20  0.050 / 0.050
G15     46.2           28.8                7.0 +/-    1.44      12.6 +/-    1.44  0.040 / 0.040
G20     359.2          65.1                9.6 +/-    0.60      10.5 +/-    0.60  0.220 / 0.460
G21     106.0          71.3               10.4 +/-    0.35      11.0 +/-    0.35  0.280 / 0.620
G24     90.7           26.9               12.6 +/-    0.84      23.5 +/-    0.84  0.150 / 0.370
G27     299.0          34.3                9.9 +/-    1.73      15.9 +/-    1.73  0.150 / 0.280
G32     211.6          35.1               13.8 +/-    1.60      21.8 +/-    1.60  0.120 / 0.170