PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-00:12:30
G10     249.7          26.0               13.6 +/-    2.39      26.0 +/-    2.39  0.040 / 0.040
G13     54.4           30.4               10.8 +/-    1.50      18.7 +/-    1.50  0.030 / 0.050
G15     92.9           58.9               13.0 +/-    0.97      14.9 +/-    0.97  0.140 / 0.310
G16     295.3          16.0                9.0 +/-    2.00      21.9 +/-    2.00  0.130 / 0.330
G20     258.3          32.6                9.5 +/-    2.86      15.7 +/-    2.86  0.050 / 0.170
G21     331.2          58.8               11.3 +/-    0.96      13.0 +/-    0.96  0.100 / 0.130
G26     267.2          16.1               12.6 +/-    1.24      30.5 +/-    1.24  0.030 / 0.040
G29     165.0          52.2               13.7 +/-    0.97      16.8 +/-    0.97  0.030 / 0.040