PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/24-19:42:50
G01     321.1          11.0              -13.6 +/-   29.87     -37.3 +/-   29.87  0.040 / 0.040
G08     262.9          17.3                9.9 +/-    1.18      23.3 +/-    1.18  0.040 / 0.040
G10     66.2           56.9                7.9 +/-    1.24       9.3 +/-    1.24  0.200 / 0.350
G11     309.0          19.6                8.5 +/-    1.61      18.8 +/-    1.61  0.270 / 0.480
G14     273.1          68.0                8.3 +/-    0.80       8.8 +/-    0.80  0.150 / 0.470
G20     97.8           34.9                7.9 +/-    0.61      12.6 +/-    0.61  0.150 / 0.350
G21     154.6          11.1                9.5 +/-    1.95      25.8 +/-    1.95  0.170 / 0.220
G27     232.0          14.9               10.1 +/-    2.10      25.3 +/-    2.10  0.140 / 0.200
G31     179.6          30.8               10.2 +/-    1.53      17.6 +/-    1.53  0.190 / 0.320
G32     345.6          73.1                8.2 +/-    0.32       8.6 +/-    0.32  0.180 / 0.320