PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-20:57:50
G08     313.8          17.1               10.8 +/-    3.48      25.6 +/-    3.48  0.070 / 0.060
G10     320.1          57.9               11.4 +/-    0.45      13.2 +/-    0.45  0.090 / 0.070
G14     214.8          24.2               17.4 +/-    2.60      34.5 +/-    2.60  0.040 / 0.040
G15     46.0           19.9               10.6 +/-    2.61      23.4 +/-    2.61  0.050 / 0.050
G20     24.2           62.8               12.2 +/-    1.12      13.5 +/-    1.12  0.190 / 0.290
G21     126.5          62.8               15.5 +/-    0.48      17.3 +/-    0.48  0.220 / 0.310
G24     78.5           28.9               13.7 +/-    1.00      24.6 +/-    1.00  0.160 / 0.280
G27     285.3          37.1               11.9 +/-    1.21      18.2 +/-    1.21  0.130 / 0.250
G32     217.8          46.4               14.4 +/-    1.76      19.0 +/-    1.76  0.160 / 0.290