PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-17:27:50
G05     49.2           17.1                9.5 +/-    1.35      22.4 +/-    1.35  0.100 / 0.130
G10     237.4          12.9               13.6 +/-    2.47      35.4 +/-    2.47  0.080 / 0.160
G13     75.0           37.2               11.0 +/-    0.76      16.7 +/-    0.76  0.060 / 0.060
G15     119.7          53.3               13.4 +/-    0.77      16.2 +/-    0.77  0.050 / 0.070
G18     247.7          44.7               11.9 +/-    1.46      16.1 +/-    1.46  0.050 / 0.050
G20     27.6           65.9               12.0 +/-    0.63      13.0 +/-    0.63  0.040 / 0.040
G21     317.6          50.9               10.8 +/-    0.85      13.5 +/-    0.85  0.110 / 0.250
G26     290.0          18.9               10.6 +/-    1.95      23.9 +/-    1.95  0.110 / 0.250
G29     153.3          63.4               14.2 +/-    1.37      15.7 +/-    1.37  0.020 / 0.040