PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-20:27:40
G02     200.2          20.6               16.7 +/-    2.47      36.2 +/-    2.47  0.080 / 0.100
G06     169.6          54.5               14.5 +/-    0.60      17.4 +/-    0.60  0.080 / 0.110
G13     227.5          13.2               16.7 +/-    2.17      43.3 +/-    2.17  0.200 / 0.410
G17     17.6           61.9               12.4 +/-    0.53      13.9 +/-    0.53  0.190 / 0.280
G19     315.9          70.7               12.2 +/-    0.48      12.8 +/-    0.48  0.040 / 0.040
G24     310.0          29.8               12.8 +/-    1.10      22.5 +/-    1.10  0.040 / 0.030
G28     87.8           39.8               12.4 +/-    0.64      18.1 +/-    0.64  0.040 / 0.030
G30     157.0          14.5               13.6 +/-    1.58      34.3 +/-    1.58  0.030 / 0.030