PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-23:13:10
G08     283.5          23.0               16.3 +/-    1.39      33.4 +/-    1.39  0.050 / 0.160
G10     23.4           63.1               13.2 +/-    0.37      14.6 +/-    0.37  0.060 / 0.150
G14     238.9          54.9               17.6 +/-    1.02      21.0 +/-    1.02  0.030 / 0.040
G18     73.6           46.6               14.5 +/-    0.57      19.2 +/-    0.57  0.030 / 0.030
G21     149.2          30.2               17.8 +/-    1.43      31.0 +/-    1.43  0.080 / 0.130
G24     50.4           22.7               12.8 +/-    0.67      26.4 +/-    0.67  0.100 / 0.140
G27     244.6          26.8               19.4 +/-    3.07      36.5 +/-    3.07  0.040 / 0.090
G31     184.0          11.1                5.5 +/-   39.10      15.1 +/-   39.10  0.040 / 0.080
G32     261.3          70.3               16.1 +/-    0.58      17.0 +/-    0.58  0.150 / 0.260