PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-22:27:40
G10     243.0          19.9               11.8 +/-   15.34      26.1 +/-   15.34  0.040 / 0.060
G13     63.3           34.1                5.3 +/-   12.53       8.5 +/-   12.53  0.050 / 0.070
G15     112.7          57.5               11.3 +/-   36.88      13.1 +/-   36.88  0.160 / 0.610
G16     303.5          15.7                5.6 +/-   11.96      13.7 +/-   11.96  0.160 / 0.610
G20     247.9          15.7                4.0 +/-    7.08       9.8 +/-    7.08  0.070 / 0.140
G21     321.8          52.8                9.4 +/-    7.38      11.4 +/-    7.38  0.070 / 0.120
G26     275.5          19.0                9.3 +/-   15.40      20.9 +/-   15.40  0.030 / 0.040
G29     162.0          62.2               10.7 +/-   35.73      12.0 +/-   35.73  0.030 / 0.040