PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-01:42:30
G10     293.5          50.0               12.9 +/-    4.04      16.3 +/-    4.04  0.230 / 0.450
G14     209.5          11.7               11.4 +/-   24.18      30.7 +/-   24.18  0.150 / 0.380
G15     46.8           32.2                8.8 +/-    3.93      14.8 +/-    3.93  0.040 / 0.040
G18     350.0          66.5               -2.8 +/-   41.13      -3.0 +/-   41.13  0.040 / 0.050
G20     70.5           18.1               11.9 +/-   10.86      27.3 +/-   10.86  0.060 / 0.130
G21     89.2           75.1               17.7 +/-   10.63      18.2 +/-   10.63  0.070 / 0.150
G24     101.2          25.6               12.0 +/-   15.28      23.0 +/-   15.28  0.060 / 0.040
G27     300.9          34.3                9.8 +/-    6.23      15.8 +/-    6.23  0.050 / 0.050
G32     210.3          29.0               13.1 +/-   12.26      23.5 +/-   12.26  0.060 / 0.090