PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-21:42:40
G02     31.1           57.1               13.7 +/-    0.79      16.0 +/-    0.79  0.030 / 0.040
G05     139.9          61.5               16.6 +/-    0.45      18.6 +/-    0.45  0.020 / 0.030
G06     53.7           15.2               10.5 +/-    2.58      25.9 +/-    2.58  0.040 / 0.050
G12     194.3          67.1               15.9 +/-    0.42      17.1 +/-    0.42  0.050 / 0.080
G19     98.4           12.5               15.3 +/-    2.31      40.5 +/-    2.31  0.040 / 0.050
G25     298.3          52.9               14.0 +/-    2.10      17.0 +/-    2.10  0.040 / 0.040
G29     306.1          26.1               13.4 +/-    1.19      25.5 +/-    1.19  0.330 / 0.230