PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-16:28:00
G08     313.5          17.4                5.7 +/-    1.90      13.4 +/-    1.90  0.040 / 0.040
G10     320.8          58.1                5.6 +/-    0.62       6.4 +/-    0.62  0.040 / 0.040
G14     214.6          25.2                8.3 +/-    1.14      16.2 +/-    1.14  0.030 / 0.030
G15     46.0           17.1                4.3 +/-    2.87      10.2 +/-    2.87  0.030 / 0.030
G20     24.7           62.7                6.8 +/-    2.20       7.5 +/-    2.20  0.120 / 0.230
G21     127.3          59.9                7.3 +/-    1.12       8.3 +/-    1.12  0.110 / 0.260
G24     77.0           28.3                6.8 +/-    1.24      12.3 +/-    1.24  0.070 / 0.090
G27     286.5          36.7                7.5 +/-    1.68      11.5 +/-    1.68  0.070 / 0.080
G32     218.0          44.9                7.9 +/-    1.14      10.7 +/-    1.14  0.170 / 0.190