PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-21:42:40
G02     239.0          74.9               10.0 +/-    0.98      10.3 +/-    0.98  0.160 / 0.200
G05     171.5          15.9               17.5 +/-    1.38      42.5 +/-    1.38  0.120 / 0.160
G06     41.0           58.1                9.3 +/-    0.61      10.7 +/-    0.61  0.070 / 0.090
G12     321.9          52.6                9.8 +/-    1.05      12.0 +/-    1.05  0.080 / 0.110
G17     69.3           24.5               10.0 +/-    1.02      19.7 +/-    1.02  0.050 / 0.070
G19     54.6           40.9                9.5 +/-    0.79      13.6 +/-    0.79  0.050 / 0.050
G24     245.5          35.3               12.6 +/-    1.22      19.9 +/-    1.22  0.070 / 0.110
G25     316.5          11.2               -5.6 +/-   38.11     -15.1 +/-   38.11  0.090 / 0.120