PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/24-21:12:30
G01     318.3          21.1               14.5 +/-    1.60      31.0 +/-    1.60  0.040 / 0.050
G08     257.3          12.9               18.7 +/-    3.35      48.8 +/-    3.35  0.040 / 0.040
G10     82.8           50.6               16.7 +/-    0.61      20.9 +/-    0.61  0.140 / 0.220
G11     304.1          21.5               14.1 +/-    2.23      29.9 +/-    2.23  0.130 / 0.240
G14     289.8          68.9               17.5 +/-    0.49      18.6 +/-    0.49  0.220 / 0.380
G20     107.4          26.2               18.9 +/-    1.74      35.9 +/-    1.74  0.260 / 0.430
G31     174.7          43.8               23.6 +/-    1.20      32.4 +/-    1.20  0.050 / 0.060
G32     12.4           66.0               15.4 +/-    0.41      16.7 +/-    0.41  0.040 / 0.060