PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-17:27:30
G08     299.0          23.1                9.5 +/-    1.53      19.3 +/-    1.53  0.030 / 0.030
G10     352.4          62.3                9.8 +/-    0.55      10.9 +/-    0.55  0.030 / 0.030
G14     223.7          40.1               12.0 +/-    1.04      17.4 +/-    1.04  0.050 / 0.080
G20     54.2           56.1               12.1 +/-    0.49      14.3 +/-    0.49  0.050 / 0.060
G21     141.8          44.9               14.3 +/-    1.05      19.3 +/-    1.05  0.080 / 0.110
G24     59.3           25.5               14.6 +/-    0.94      28.2 +/-    0.94  0.070 / 0.110
G27     265.9          34.8               12.3 +/-    1.33      19.6 +/-    1.33  0.080 / 0.100
G32     233.1          60.5               14.0 +/-    0.80      15.8 +/-    0.80  0.060 / 0.090