PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-19:12:40
G08     274.5          20.9               11.9 +/-    2.58      25.6 +/-    2.58  0.210 / 0.250
G10     50.6           59.3               10.4 +/-    0.87      11.9 +/-    0.87  0.260 / 0.250
G14     248.5          57.1               12.8 +/-    0.73      14.9 +/-    0.73  0.040 / 0.050
G20     89.9           38.8               11.1 +/-    1.22      16.4 +/-    1.22  0.040 / 0.050
G21     153.7          22.3               11.0 +/-    1.33      23.0 +/-    1.33  0.150 / 0.320
G24     43.8           15.9                9.0 +/-    1.98      21.9 +/-    1.98  0.150 / 0.280
G27     237.0          21.1               11.0 +/-    2.45      23.6 +/-    2.45  0.110 / 0.210
G31     179.4          23.4               12.2 +/-    3.65      24.7 +/-    3.65  0.110 / 0.270
G32     316.5          76.8               11.9 +/-    0.73      12.2 +/-    0.73  0.030 / 0.030