PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-15:57:40
G02     74.1           20.4               15.6 +/-    1.18      34.0 +/-    1.18  0.030 / 0.050
G05     45.8           46.7               16.5 +/-    0.59      21.7 +/-    0.59  0.030 / 0.060
G12     182.3          16.1               16.4 +/-    4.46      39.9 +/-    4.46  0.040 / 0.040
G13     114.7          26.6               21.3 +/-    0.98      40.1 +/-    0.98  0.040 / 0.040
G15     153.0          26.9               20.3 +/-    1.05      38.1 +/-    1.05  0.150 / 0.150
G18     224.1          17.2               13.2 +/-    1.81      31.2 +/-    1.81  0.210 / 0.190
G20     227.9          77.8               18.9 +/-    0.84      19.3 +/-    0.84  0.070 / 0.120
G21     287.1          30.8               14.8 +/-    1.26      25.6 +/-    1.26  0.070 / 0.160
G25     216.5          36.9               18.0 +/-    1.03      27.7 +/-    1.03  0.050 / 0.100
G29     356.7          77.6               16.5 +/-    0.51      16.9 +/-    0.51  0.050 / 0.110