PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-21:42:50
G02     32.8           55.7               14.0 +/-    0.79      16.6 +/-    0.79  0.060 / 0.110
G05     136.7          63.0               10.7 +/-    0.41      11.8 +/-    0.41  0.070 / 0.110
G06     54.7           13.8               11.4 +/-    1.76      29.2 +/-    1.76  0.030 / 0.030
G12     192.6          65.0               13.6 +/-    0.42      14.9 +/-    0.42  0.030 / 0.040
G19     99.8           11.4               10.2 +/-    1.10      27.7 +/-    1.10  0.050 / 0.050
G25     295.6          54.1               10.5 +/-    1.76      12.7 +/-    1.76  0.070 / 0.050
G29     307.3          27.4                9.2 +/-    2.14      16.9 +/-    2.14  0.040 / 0.040