PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-16:13:10
G07     40.3           69.8               13.4 +/-    0.70      14.2 +/-    0.70  0.030 / 0.040
G08     54.4           43.7               12.7 +/-    0.85      17.5 +/-    0.85  0.040 / 0.050
G09     178.3          39.6               13.8 +/-    0.78      20.2 +/-    0.78  0.030 / 0.030
G11     122.7          33.0               13.4 +/-    1.53      22.0 +/-    1.53  0.030 / 0.030
G18     107.3          14.8               13.0 +/-    1.81      32.4 +/-    1.81  0.030 / 0.040
G27     37.7           9.9                10.4 +/-    4.66      29.2 +/-    4.66  0.040 / 0.040
G28     270.9          51.0               15.3 +/-    3.17      19.1 +/-    3.17  0.150 / 0.320
G30     329.3          57.8               13.3 +/-    0.48      15.4 +/-    0.48  0.150 / 0.230