PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-04:12:30
G08     288.8          23.5                7.0 +/-    1.08      14.2 +/-    1.08  0.030 / 0.030
G10     10.8           63.3                5.7 +/-    1.02       6.3 +/-    1.02  0.030 / 0.030
G14     233.0          50.6                7.8 +/-    2.64       9.7 +/-    2.64  0.050 / 0.080
G18     64.8           51.3                4.3 +/-    3.09       5.3 +/-    3.09  0.050 / 0.080
G21     147.3          37.8                7.8 +/-    1.41      11.7 +/-    1.41  0.150 / 0.170
G24     54.9           25.5                6.0 +/-    3.87      11.7 +/-    3.87  0.170 / 0.130
G27     249.8          29.9                7.1 +/-    2.01      12.5 +/-    2.01  0.040 / 0.030
G32     251.5          69.1                5.7 +/-    0.79       6.1 +/-    0.79  0.030 / 0.030