PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-17:12:50
G05     48.8           18.0                9.6 +/-    1.20      22.2 +/-    1.20  0.060 / 0.140
G10     236.6          12.0               19.3 +/-    3.15      51.6 +/-    3.15  0.070 / 0.130
G13     76.6           37.3               14.0 +/-    0.66      21.4 +/-    0.66  0.070 / 0.090
G15     121.6          52.6               19.4 +/-    0.75      23.7 +/-    0.75  0.050 / 0.070
G18     246.5          43.8               18.6 +/-    1.27      25.5 +/-    1.27  0.040 / 0.040
G20     26.3           67.1               14.1 +/-    0.54      15.2 +/-    0.54  0.040 / 0.050
G21     316.5          50.2               13.6 +/-    0.80      17.1 +/-    0.80  0.100 / 0.270
G26     291.0          19.0               13.1 +/-    1.66      29.5 +/-    1.66  0.100 / 0.240
G29     152.4          64.9               18.4 +/-    0.78      20.1 +/-    0.78  0.050 / 0.110