PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/22-21:43:00
G08     269.8          20.1               10.0 +/-    2.53      21.9 +/-    2.53  0.090 / 0.160
G10     53.3           59.7               10.6 +/-    0.71      12.0 +/-    0.71  0.110 / 0.200
G14     257.3          63.4               12.5 +/-    0.76      13.8 +/-    0.76  0.150 / 0.360
G18     313.9          29.6               12.0 +/-    1.55      21.2 +/-    1.55  0.140 / 0.400
G20     90.9           39.5               12.9 +/-    0.45      19.0 +/-    0.45  0.050 / 0.060
G21     153.7          18.7               13.5 +/-    3.19      30.7 +/-    3.19  0.050 / 0.070
G24     40.1           10.4               10.2 +/-    2.17      28.2 +/-    2.17  0.210 / 0.380
G27     236.7          19.3               14.7 +/-    1.43      33.0 +/-    1.43  0.130 / 0.290
G31     179.7          25.2               14.5 +/-    1.34      28.2 +/-    1.34  0.120 / 0.200
G32     323.6          75.9               12.4 +/-    0.89      12.8 +/-    0.89  0.100 / 0.240