PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-22:43:10
G08     275.9          20.2                7.6 +/-    3.66      16.7 +/-    3.66  0.110 / 0.220
G10     52.3           59.1               10.0 +/-    1.48      11.5 +/-    1.48  0.110 / 0.220
G14     251.5          59.9               10.0 +/-    1.02      11.3 +/-    1.02  0.040 / 0.070
G18     315.2          27.2                7.9 +/-    1.73      14.7 +/-    1.73  0.050 / 0.060
G20     90.2           39.4                9.3 +/-    1.06      13.7 +/-    1.06  0.150 / 0.220
G21     154.2          22.0               11.9 +/-    1.37      24.9 +/-    1.37  0.220 / 0.190
G24     43.2           15.1                7.1 +/-    1.84      17.7 +/-    1.84  0.220 / 0.330
G27     236.5          20.4               11.6 +/-    2.81      25.2 +/-    2.81  0.150 / 0.340
G31     178.5          25.2               12.0 +/-    1.70      23.4 +/-    1.70  0.110 / 0.250
G32     316.9          76.5                9.9 +/-    0.46      10.1 +/-    0.46  0.180 / 0.460