PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-21:28:00
G08     320.9          10.9               -5.1 +/-   36.95     -13.8 +/-   36.95  0.090 / 0.090
G10     302.6          53.6                8.8 +/-    1.19      10.7 +/-    1.19  0.080 / 0.100
G14     211.1          14.3               13.7 +/-    3.75      34.7 +/-    3.75  0.220 / 0.570
G15     46.3           29.8                7.5 +/-    1.04      13.1 +/-    1.04  0.200 / 0.560
G20     0.4            65.1               10.3 +/-    1.15      11.2 +/-    1.15  0.030 / 0.050
G21     106.3          71.7               10.7 +/-    0.79      11.2 +/-    0.79  0.030 / 0.040
G24     90.9           27.2               12.3 +/-    1.23      22.8 +/-    1.23  0.110 / 0.150
G27     297.9          34.8               10.1 +/-    1.44      16.1 +/-    1.44  0.090 / 0.130
G32     211.8          36.2               12.8 +/-    1.56      19.9 +/-    1.56  0.130 / 0.360