PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-16:58:00
G05     50.4           14.3                8.2 +/-    0.90      20.8 +/-    0.90  0.060 / 0.220
G10     239.4          15.2               12.7 +/-    1.97      31.3 +/-    1.97  0.070 / 0.170
G13     71.0           36.7               10.4 +/-    1.28      16.0 +/-    1.28  0.120 / 0.210
G15     114.1          54.8               12.6 +/-    0.61      15.0 +/-    0.61  0.110 / 0.250
G16     315.0          10.6               -2.0 +/-   19.65      -5.6 +/-   19.65  0.030 / 0.050
G18     251.1          47.2               12.0 +/-    1.07      15.7 +/-    1.07  0.030 / 0.040
G20     30.0           63.3               10.6 +/-    0.73      11.7 +/-    0.73  0.040 / 0.060
G21     321.3          53.2               10.3 +/-    1.03      12.5 +/-    1.03  0.040 / 0.070
G26     286.4          18.8                9.6 +/-    1.34      21.8 +/-    1.34  0.050 / 0.120
G29     155.6          60.5               13.4 +/-    1.08      15.2 +/-    1.08  0.050 / 0.130