PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/22-23:13:00
G08     311.2          18.4               10.1 +/-    1.32      23.1 +/-    1.32  0.030 / 0.030
G10     324.0          58.5               12.2 +/-    0.58      14.0 +/-    0.58  0.040 / 0.020
G14     216.4          29.2               19.3 +/-    1.64      34.3 +/-    1.64  0.040 / 0.050
G15     46.2           13.9                9.2 +/-    1.53      23.6 +/-    1.53  0.050 / 0.040
G18     32.8           60.8               13.7 +/-    0.88      15.5 +/-    0.88  0.060 / 0.100
G21     130.4          58.6               14.5 +/-    0.60      16.7 +/-    0.60  0.060 / 0.100
G24     79.5           30.6               12.2 +/-    1.12      21.2 +/-    1.12  0.050 / 0.060
G27     277.3          38.0               13.9 +/-    1.02      20.9 +/-    1.02  0.050 / 0.070
G32     220.9          45.9               16.3 +/-    1.73      21.7 +/-    1.73  0.150 / 0.190