PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-19:12:30
G01     319.6          17.8                7.1 +/-    2.21      16.5 +/-    2.21  0.170 / 0.350
G08     260.0          15.0                8.7 +/-    1.91      21.5 +/-    1.91  0.140 / 0.310
G10     76.5           52.8                8.5 +/-    0.89      10.4 +/-    0.89  0.050 / 0.050
G11     308.3          18.8                9.0 +/-    1.33      20.3 +/-    1.33  0.040 / 0.060
G14     276.2          66.3                8.5 +/-    1.19       9.2 +/-    1.19  0.040 / 0.040
G20     104.1          28.5                9.8 +/-    1.33      17.8 +/-    1.33  0.030 / 0.040
G27     225.9          11.1                8.3 +/-    3.52      22.6 +/-    3.52  0.130 / 0.300
G31     176.4          38.5               11.3 +/-    0.78      16.9 +/-    0.78  0.160 / 0.280
G32     5.3            68.9                9.5 +/-    0.45      10.1 +/-    0.45  0.050 / 0.080