PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-01:13:00
G08     288.9          23.7                6.2 +/-   10.81      12.4 +/-   10.81  0.040 / 0.060
G10     13.9           63.0                6.0 +/-   11.00       6.7 +/-   11.00  0.040 / 0.050
G14     232.2          47.9                8.6 +/-   10.51      11.2 +/-   10.51  0.040 / 0.090
G18     317.6          12.3                4.8 +/-   10.14      12.7 +/-   10.14  0.050 / 0.280
G20     354.0          65.5                7.6 +/-    9.49       8.3 +/-    9.49  0.030 / 0.030
G21     148.1          38.8               16.1 +/-   29.08      23.8 +/-   29.08  0.030 / 0.040
G24     52.4           23.1               11.7 +/-   31.02      23.9 +/-   31.02  0.150 / 0.220
G27     251.8          30.3               14.4 +/-   29.01      25.0 +/-   29.01  0.120 / 0.270
G32     254.6          71.8                7.2 +/-   10.70       7.5 +/-   10.70  0.080 / 0.160