PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-20:43:00
G02     230.3          71.2               12.7 +/-    0.42      13.3 +/-    0.42  0.030 / 0.040
G05     173.1          12.1               20.0 +/-    3.68      53.4 +/-    3.68  0.030 / 0.040
G06     42.6           64.8               12.7 +/-    0.62      13.9 +/-    0.62  0.070 / 0.100
G12     320.3          44.3               11.0 +/-    0.71      15.0 +/-    0.71  0.060 / 0.100
G17     65.7           26.2               10.9 +/-    2.58      20.8 +/-    2.58  0.050 / 0.060
G19     52.0           41.1               10.9 +/-    1.29      15.5 +/-    1.29  0.050 / 0.060
G24     250.7          37.4               13.6 +/-    0.72      20.6 +/-    0.72  0.050 / 0.070