PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-16:58:10
G05     52.9           9.6                 7.0 +/-    4.86      19.6 +/-    4.86  0.120 / 0.250
G10     243.6          19.6               10.5 +/-    1.42      23.3 +/-    1.42  0.250 / 0.390
G13     63.7           35.1                9.5 +/-    0.99      15.0 +/-    0.99  0.030 / 0.050
G15     102.5          56.8               10.8 +/-    1.61      12.7 +/-    1.61  0.040 / 0.050
G16     309.6          12.2                6.6 +/-    2.06      17.5 +/-    2.06  0.100 / 0.190
G18     258.2          51.6                9.0 +/-    2.64      11.2 +/-    2.64  0.100 / 0.150
G20     34.8           57.9                8.7 +/-    0.64      10.0 +/-    0.64  0.040 / 0.040
G21     328.2          57.2               14.1 +/-    0.55      16.5 +/-    0.55  0.040 / 0.040
G26     280.2          17.8                9.2 +/-    0.57      21.4 +/-    0.57  0.050 / 0.100
G29     158.8          53.9               12.4 +/-    0.73      15.0 +/-    0.73  0.070 / 0.090