PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-21:42:40
G02     354.6          76.1               11.3 +/-    0.64      11.6 +/-    0.64  0.110 / 0.140
G05     161.9          37.2               16.4 +/-    1.09      25.0 +/-    1.09  0.150 / 0.120
G06     41.8           38.2               10.4 +/-    1.14      15.6 +/-    1.14  0.040 / 0.040
G12     307.9          71.8               10.8 +/-    0.63      11.3 +/-    0.63  0.030 / 0.030
G17     87.8           10.3               13.3 +/-    1.98      37.0 +/-    1.98  0.190 / 0.220
G19     78.0           24.3               13.4 +/-    1.76      26.6 +/-    1.76  0.170 / 0.400
G24     225.7          20.3               17.5 +/-    4.13      38.2 +/-    4.13  0.030 / 0.030
G25     316.4          31.4               12.2 +/-    1.73      20.7 +/-    1.73  0.030 / 0.040
G29     288.9          12.4               14.3 +/-    2.12      37.8 +/-    2.12  0.070 / 0.130