PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/23-18:27:50
G10     300.9          52.6               11.0 +/-    1.41      13.4 +/-    1.41  0.070 / 0.080
G14     211.0          15.1               16.9 +/-    2.97      42.1 +/-    2.97  0.110 / 0.070
G15     45.6           24.6               11.4 +/-    2.19      22.6 +/-    2.19  0.030 / 0.040
G18     8.3            65.1               10.5 +/-    0.62      11.4 +/-    0.62  0.030 / 0.030
G20     72.9           17.7               12.5 +/-    1.96      29.1 +/-    1.96  0.110 / 0.220
G21     110.1          67.9               13.9 +/-    1.18      14.9 +/-    1.18  0.110 / 0.180
G24     95.8           27.6               12.2 +/-    1.61      22.4 +/-    1.61  0.080 / 0.110
G27     295.6          36.1               12.9 +/-    2.81      20.1 +/-    2.81  0.070 / 0.110
G32     212.4          33.4               15.0 +/-    2.13      24.6 +/-    2.13  0.190 / 0.200