PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-22:43:00
G10     262.9          34.9               19.7 +/-    1.78      31.4 +/-    1.78  0.140 / 0.360
G13     44.7           22.8               14.4 +/-    0.91      29.6 +/-    0.91  0.150 / 0.410
G15     64.5           52.1               18.2 +/-    0.64      22.4 +/-    0.64  0.040 / 0.040
G16     285.6          12.4               18.5 +/-    1.44      48.9 +/-    1.44  0.040 / 0.050
G18     292.2          62.7               18.3 +/-    0.44      20.3 +/-    0.44  0.130 / 0.430
G20     52.3           37.0               15.0 +/-    0.50      23.0 +/-    0.50  0.170 / 0.360
G21     356.4          70.0               17.9 +/-    0.47      19.0 +/-    0.47  0.070 / 0.230
G24     124.6          11.6               -6.3 +/-   50.19     -17.0 +/-   50.19  0.080 / 0.190
G27     319.4          17.3               14.6 +/-    0.66      34.3 +/-    0.66  0.050 / 0.100
G29     166.1          31.8               20.3 +/-    1.81      34.3 +/-    1.81  0.050 / 0.110