PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-18:27:40
G10     278.5          43.7               13.1 +/-    1.04      18.0 +/-    1.04  0.100 / 0.110
G13     38.7           11.3               11.9 +/-    2.73      32.1 +/-    2.73  0.070 / 0.100
G15     50.4           39.3               12.6 +/-    0.87      18.6 +/-    0.87  0.030 / 0.030
G18     328.4          67.1               12.8 +/-    0.61      13.7 +/-    0.61  0.030 / 0.030
G20     61.1           28.6               11.3 +/-    1.74      20.4 +/-    1.74  0.120 / 0.180
G21     54.6           75.9               12.8 +/-    0.59      13.2 +/-    0.59  0.110 / 0.220
G24     112.6          19.9               16.2 +/-    1.27      35.6 +/-    1.27  0.060 / 0.150
G27     311.6          27.6               11.3 +/-    2.21      20.9 +/-    2.21  0.070 / 0.130
G29     166.2          15.5               14.5 +/-    1.79      35.6 +/-    1.79  0.280 / 0.400
G32     206.9          17.1               15.1 +/-    3.57      35.7 +/-    3.57  0.190 / 0.320