PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-00:43:10
G10     263.9          35.5               12.6 +/-    1.02      19.8 +/-    1.02  0.180 / 0.370
G13     43.9           21.8                8.5 +/-    1.82      18.0 +/-    1.82  0.170 / 0.350
G15     64.3           52.5               11.4 +/-    0.85      13.9 +/-    0.85  0.100 / 0.090
G16     283.5          12.3               10.6 +/-    2.52      28.2 +/-    2.52  0.120 / 0.100
G18     292.9          62.6               10.6 +/-    1.10      11.8 +/-    1.10  0.050 / 0.040
G20     53.3           35.6                9.1 +/-    1.29      14.2 +/-    1.29  0.050 / 0.040
G21     356.5          70.3                9.8 +/-    0.76      10.3 +/-    0.76  0.160 / 0.320
G24     123.7          12.2               11.1 +/-    1.69      29.4 +/-    1.69  0.240 / 0.320
G27     319.0          18.2               10.9 +/-    2.05      25.1 +/-    2.05  0.100 / 0.130
G29     166.8          31.8               12.0 +/-    1.32      20.3 +/-    1.32  0.160 / 0.100