PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-23:12:40
G01     316.6          24.4               15.9 +/-    1.58      31.5 +/-    1.58  0.100 / 0.180
G08     254.9          10.8               26.7 +/-    2.30      73.4 +/-    2.30  0.090 / 0.220
G10     88.7           48.1               13.8 +/-    1.04      17.8 +/-    1.04  0.040 / 0.050
G11     299.5          23.7               16.8 +/-    0.87      33.9 +/-    0.87  0.050 / 0.040
G14     305.4          70.4                9.4 +/-    0.62       9.9 +/-    0.62  0.190 / 0.430
G18     298.7          44.7               17.3 +/-    3.64      23.5 +/-    3.64  0.150 / 0.350
G20     110.6          23.8               15.0 +/-    1.24      30.1 +/-    1.24  0.070 / 0.120
G22     303.5          12.8               17.6 +/-    2.35      46.2 +/-    2.35  0.050 / 0.080
G31     172.8          49.0               19.1 +/-    0.98      24.4 +/-    0.98  0.240 / 0.320
G32     18.3           63.2               15.0 +/-    0.43      16.6 +/-    0.43  0.130 / 0.270