PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-20:43:00
G10     260.2          35.4               16.3 +/-    1.39      25.7 +/-    1.39  0.040 / 0.050
G13     45.2           22.2               12.1 +/-    1.90      25.1 +/-    1.90  0.040 / 0.040
G15     68.9           54.3               15.3 +/-    0.92      18.4 +/-    0.92  0.160 / 0.380
G16     285.3          14.5               12.3 +/-    1.76      30.9 +/-    1.76  0.150 / 0.250
G20     286.5          57.4               14.2 +/-    1.50      16.6 +/-    1.50  0.050 / 0.030
G21     347.6          66.6               15.9 +/-    0.95      17.2 +/-    0.95  0.040 / 0.040
G24     127.4          10.0               -2.2 +/-   48.41      -6.1 +/-   48.41  0.100 / 0.350
G26     258.9          11.1               13.3 +/-    2.39      36.3 +/-    2.39  0.090 / 0.330
G27     321.4          12.9                9.8 +/-    2.36      25.7 +/-    2.36  0.190 / 0.320
G29     166.1          39.1               17.6 +/-    1.04      26.0 +/-    1.04  0.190 / 0.360