PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-16:13:10
G02     13.7           69.5               17.1 +/-    1.14      18.2 +/-    1.14  0.050 / 0.090
G05     162.0          43.8               17.3 +/-    1.39      23.7 +/-    1.39  0.050 / 0.090
G06     45.7           30.4               12.4 +/-    0.75      21.6 +/-    0.75  0.040 / 0.040
G12     264.2          79.3               11.6 +/-    0.99      11.8 +/-    0.99  0.030 / 0.040
G19     87.5           18.1               12.1 +/-    0.89      27.9 +/-    0.89  0.210 / 0.350
G20     197.7          10.8               -1.4 +/-   31.16      -3.9 +/-   31.16  0.160 / 0.330
G24     220.6          14.4               15.1 +/-    3.98      37.9 +/-    3.98  0.050 / 0.100
G25     312.1          43.0               13.4 +/-    2.50      18.6 +/-    2.50  0.050 / 0.090
G29     297.5          20.3               11.7 +/-    1.58      25.6 +/-    1.58  0.130 / 0.660