PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-23:58:00
G08     287.7          23.4               15.0 +/-    1.67      30.4 +/-    1.67  0.050 / 0.110
G10     13.9           63.3               13.4 +/-    0.62      14.8 +/-    0.62  0.040 / 0.130
G14     234.2          51.4               16.9 +/-    1.62      20.9 +/-    1.62  0.060 / 0.110
G18     68.2           49.2               14.1 +/-    0.54      18.0 +/-    0.54  0.060 / 0.110
G21     147.6          34.8               16.8 +/-    0.88      26.7 +/-    0.88  0.050 / 0.030
G24     53.8           24.9               12.6 +/-    0.59      24.6 +/-    0.59  0.040 / 0.080
G27     248.6          29.3               16.9 +/-    0.73      30.1 +/-    0.73  0.060 / 0.080
G32     251.6          67.6               14.6 +/-    0.41      15.6 +/-    0.41  0.060 / 0.070