PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-22:57:30
G08     287.3          23.3               12.9 +/-    1.69      26.3 +/-    1.69  0.060 / 0.100
G10     15.4           63.3               11.3 +/-    0.63      12.5 +/-    0.63  0.070 / 0.110
G14     234.8          51.8               13.8 +/-    2.50      17.0 +/-    2.50  0.030 / 0.040
G18     69.4           48.5               11.0 +/-    0.37      14.1 +/-    0.37  0.030 / 0.030
G21     147.8          33.6               13.1 +/-    1.22      21.3 +/-    1.22  0.040 / 0.040
G24     53.3           24.6                9.9 +/-    0.90      19.6 +/-    0.90  0.030 / 0.030
G27     248.0          28.9               12.0 +/-    1.22      21.5 +/-    1.22  0.110 / 0.120
G32     252.7          67.9               11.6 +/-    0.67      12.4 +/-    0.67  0.100 / 0.100