PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-23:57:30
G08     312.4          18.0                7.6 +/-    0.88      17.6 +/-    0.88  0.100 / 0.110
G10     322.8          58.5                7.9 +/-    0.66       9.1 +/-    0.66  0.080 / 0.090
G14     215.6          25.3               10.8 +/-    3.88      20.9 +/-    3.88  0.050 / 0.060
G15     46.1           18.3                6.2 +/-    0.79      14.2 +/-    0.79  0.050 / 0.050
G20     307.4          51.0                7.8 +/-    0.46       9.7 +/-    0.46  0.090 / 0.290
G21     128.3          63.1                9.4 +/-    1.12      10.4 +/-    1.12  0.080 / 0.270
G24     77.9           29.4                7.4 +/-    0.69      13.1 +/-    0.69  0.080 / 0.130
G27     282.0          37.6                8.9 +/-    0.68      13.5 +/-    0.68  0.100 / 0.190
G32     219.0          49.2               10.2 +/-    1.23      13.0 +/-    1.23  0.290 / 0.330