PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-23:42:50
G08     308.6          20.0                9.8 +/-    2.17      21.5 +/-    2.17  0.070 / 0.100
G10     330.9          59.9                6.1 +/-    0.78       6.9 +/-    0.78  0.080 / 0.080
G14     217.7          29.5               13.0 +/-    2.68      23.0 +/-    2.68  0.040 / 0.050
G15     46.7           14.8                5.9 +/-    1.07      14.7 +/-    1.07  0.030 / 0.060
G20     309.0          50.8                7.5 +/-    1.11       9.3 +/-    1.11  0.080 / 0.220
G21     133.4          59.1               10.1 +/-    1.18      11.6 +/-    1.18  0.070 / 0.230
G24     72.8           29.2                7.4 +/-    0.34      13.2 +/-    0.34  0.110 / 0.280
G27     276.3          37.4               10.7 +/-    1.19      16.2 +/-    1.19  0.110 / 0.260
G32     222.5          53.5               11.5 +/-    2.70      13.9 +/-    2.70  0.060 / 0.090