PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-22:43:00
G08     308.6          19.8               10.8 +/-    2.70      24.0 +/-    2.70  0.080 / 0.080
G10     332.6          60.1                5.7 +/-    2.67       6.4 +/-    2.67  0.080 / 0.080
G14     218.1          30.1               13.4 +/-   33.68      23.4 +/-   33.68  0.040 / 0.060
G15     46.8           15.3                6.6 +/-    2.91      16.4 +/-    2.91  0.030 / 0.060
G20     37.6           60.4               10.0 +/-    2.23      11.3 +/-    2.23  0.070 / 0.200
G21     134.4          57.1               10.5 +/-    2.89      12.3 +/-    2.89  0.080 / 0.230
G24     71.3           28.9                8.4 +/-    1.76      15.0 +/-    1.76  0.080 / 0.110
G27     276.1          37.1               12.1 +/-    2.21      18.4 +/-    2.21  0.070 / 0.090
G32     223.2          53.5               10.4 +/-    2.01      12.6 +/-    2.01  0.110 / 0.290