PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-00:12:50
G08     319.6          12.3                7.8 +/-    5.83      20.7 +/-    5.83  0.080 / 0.070
G10     306.0          54.5                6.9 +/-    1.06       8.3 +/-    1.06  0.070 / 0.090
G14     212.0          15.8                9.7 +/-    3.67      23.6 +/-    3.67  0.030 / 0.030
G15     45.9           26.5                5.9 +/-    1.62      11.1 +/-    1.62  0.030 / 0.030
G20     300.4          49.4                7.2 +/-    0.66       9.1 +/-    0.66  0.160 / 0.420
G21     110.4          71.4                8.5 +/-    0.92       9.0 +/-    0.92  0.330 / 0.380
G24     89.5           28.0                7.2 +/-    1.38      13.2 +/-    1.38  0.130 / 0.090
G27     294.4          36.1                9.6 +/-    1.57      14.9 +/-    1.57  0.110 / 0.130
G32     212.8          39.4               10.3 +/-    1.75      15.1 +/-    1.75  0.220 / 0.340