PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-18:12:40
G05     50.3           15.8                8.7 +/-    2.70      21.1 +/-    2.70  0.050 / 0.070
G10     240.0          17.1               11.5 +/-    1.21      27.1 +/-    1.21  0.070 / 0.070
G13     68.0           35.2               10.4 +/-    1.08      16.5 +/-    1.08  0.100 / 0.360
G15     121.7          55.6               11.1 +/-    0.47      13.2 +/-    0.47  0.100 / 0.380
G16     308.7          14.3                7.0 +/-    1.39      17.8 +/-    1.39  0.050 / 0.130
G20     253.8          41.3               11.0 +/-    1.18      15.7 +/-    1.18  0.060 / 0.130
G21     319.7          51.4               11.2 +/-    0.59      14.0 +/-    0.59  0.140 / 0.250
G26     281.8          19.5                7.4 +/-    1.95      16.5 +/-    1.95  0.100 / 0.300
G29     159.0          65.8               10.7 +/-    0.64      11.7 +/-    0.64  0.030 / 0.050