PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-15:43:00
G02     201.5          20.6               12.1 +/-    1.72      26.2 +/-    1.72  0.110 / 0.240
G06     166.6          58.0               12.0 +/-    0.53      13.9 +/-    0.53  0.100 / 0.210
G12     302.0          10.5               -3.2 +/-   22.85      -8.9 +/-   22.85  0.090 / 0.120
G13     225.4          11.6               12.3 +/-    1.39      33.2 +/-    1.39  0.090 / 0.110
G17     25.6           57.3               10.6 +/-    1.07      12.3 +/-    1.07  0.090 / 0.250
G19     318.6          70.2                9.5 +/-    0.76      10.0 +/-    0.76  0.130 / 0.230
G24     307.6          32.4               10.1 +/-    2.35      16.9 +/-    2.35  0.190 / 0.610
G28     90.2           38.6               10.2 +/-    1.43      15.3 +/-    1.43  0.140 / 0.460
G30     157.9          13.8               11.4 +/-    2.68      29.1 +/-    2.68  0.030 / 0.030