PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-21:13:10
G10     95.7           44.5               10.6 +/-    0.63      14.4 +/-    0.63  0.180 / 0.230
G11     294.9          24.8                9.9 +/-    1.55      19.5 +/-    1.55  0.200 / 0.370
G14     318.4          70.1               10.5 +/-    0.77      11.0 +/-    0.77  0.030 / 0.050
G20     114.9          19.0               11.1 +/-    1.42      25.0 +/-    1.42  0.040 / 0.050
G22     306.0          16.8               10.0 +/-    1.84      23.9 +/-    1.84  0.130 / 0.220
G25     92.2           12.8               11.8 +/-    1.22      30.9 +/-    1.22  0.160 / 0.270
G31     171.3          54.6               13.1 +/-    0.44      15.7 +/-    0.44  0.040 / 0.050
G32     26.6           58.7               10.2 +/-    0.81      11.7 +/-    0.81  0.030 / 0.050