PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/13-16:27:40
G08     314.8          16.5                6.0 +/-    1.29      14.5 +/-    1.29  0.040 / 0.040
G10     317.5          57.4                6.5 +/-    0.80       7.6 +/-    0.80  0.040 / 0.050
G14     213.9          23.4                9.0 +/-    1.31      18.2 +/-    1.31  0.040 / 0.040
G15     45.8           18.7                3.8 +/-    0.92       8.7 +/-    0.92  0.040 / 0.030
G20     20.8           63.2                5.3 +/-    0.37       5.8 +/-    0.37  0.110 / 0.270
G21     124.8          61.6                7.7 +/-    0.36       8.6 +/-    0.36  0.100 / 0.330
G24     79.1           28.3                5.5 +/-    0.65      10.0 +/-    0.65  0.060 / 0.100
G27     288.8          36.4                6.5 +/-    1.09      10.1 +/-    1.09  0.050 / 0.090
G32     216.8          43.1                9.0 +/-    0.62      12.5 +/-    0.62  0.040 / 0.080