PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-15:28:10
G02     33.6           54.8               13.7 +/-    0.38      16.4 +/-    0.38  0.030 / 0.050
G05     141.4          64.1               16.2 +/-    0.74      17.8 +/-    0.74  0.030 / 0.050
G06     56.0           12.4               12.3 +/-    1.87      32.7 +/-    1.87  0.040 / 0.040
G12     191.1          62.1               14.3 +/-    2.11      15.9 +/-    2.11  0.020 / 0.040
G19     101.7          10.6               11.5 +/-    1.80      31.6 +/-    1.80  0.030 / 0.030
G25     286.7          57.9               13.7 +/-    0.82      15.9 +/-    0.82  0.040 / 0.040
G29     309.8          30.4               13.1 +/-    0.70      22.8 +/-    0.70  0.090 / 0.380