PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-23:43:10
G08     317.1          14.7                6.6 +/-    2.59      16.5 +/-    2.59  0.060 / 0.070
G10     311.8          56.0                7.3 +/-    1.76       8.6 +/-    1.76  0.060 / 0.060
G14     213.1          19.4                9.5 +/-    3.26      21.2 +/-    3.26  0.040 / 0.040
G15     45.8           23.7                6.9 +/-    2.66      13.8 +/-    2.66  0.030 / 0.040
G20     299.7          47.2               20.7 +/-    0.55      27.0 +/-    0.55  0.100 / 0.080
G21     118.0          68.7                8.7 +/-    0.99       9.3 +/-    0.99  0.080 / 0.090
G24     85.3           28.7                9.2 +/-    1.29      16.5 +/-    1.29  0.470 / 0.530
G27     290.1          37.0                7.3 +/-    1.83      11.2 +/-    1.83  0.300 / 0.460
G32     214.8          42.9                8.8 +/-    0.91      12.2 +/-    0.91  0.190 / 0.310