PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-23:13:10
G08     297.0          23.1                7.4 +/-    0.86      15.2 +/-    0.86  0.050 / 0.070
G10     357.7          62.6                7.5 +/-    0.38       8.4 +/-    0.38  0.040 / 0.060
G14     225.8          41.4                9.8 +/-    2.03      13.9 +/-    2.03  0.110 / 0.090
G20     58.4           54.8                8.4 +/-    0.66      10.0 +/-    0.66  0.070 / 0.160
G21     144.0          45.1                9.8 +/-    0.90      13.2 +/-    0.90  0.050 / 0.100
G24     58.4           25.8                8.8 +/-    1.71      16.8 +/-    1.71  0.140 / 0.080
G27     260.9          33.8                9.5 +/-    1.93      15.4 +/-    1.93  0.080 / 0.080
G32     238.0          65.0                9.6 +/-    0.86      10.4 +/-    0.86  0.160 / 0.080