PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/28-00:13:10
G05     48.5           19.6                7.4 +/-    3.17      16.5 +/-    3.17  0.370 / 0.470
G10     236.5          11.7               -2.0 +/-   42.32      -5.3 +/-   42.32  0.220 / 0.470
G13     76.9           37.4                9.3 +/-    3.86      14.1 +/-    3.86  0.170 / 0.230
G15     127.9          51.9               11.1 +/-    2.46      13.7 +/-    2.46  0.230 / 0.320
G16     315.1          11.6                9.5 +/-    1.79      25.5 +/-    1.79  0.060 / 0.070
G18     245.3          41.0              -32.7 +/-   65.76     -46.7 +/-   65.76  0.050 / 0.060
G20     30.1           64.7               15.5 +/-    5.28      17.0 +/-    5.28  0.140 / 0.310
G21     312.8          47.2               26.9 +/-   21.11      35.2 +/-   21.11  0.100 / 0.250
G26     288.7          20.0                1.5 +/-   18.20       3.3 +/-   18.20  0.040 / 0.020
G29     155.5          69.8               16.7 +/-    4.62      17.7 +/-    4.62  0.060 / 0.030