PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/27-00:12:40
G01     292.7          39.6                7.9 +/-    1.05      11.6 +/-    1.05  0.080 / 0.100
G03     311.1          14.3                6.5 +/-    1.39      16.4 +/-    1.39  0.070 / 0.090
G10     118.3          30.7               10.5 +/-    0.76      18.2 +/-    0.76  0.020 / 0.030
G11     266.0          27.1                9.8 +/-    1.14      18.3 +/-    1.14  0.020 / 0.030
G14     23.6           59.0                7.6 +/-    0.66       8.7 +/-    0.66  0.060 / 0.090
G22     313.2          36.0                8.4 +/-    1.23      13.1 +/-    1.23  0.050 / 0.080
G25     66.9           18.4                7.7 +/-    1.35      17.7 +/-    1.35  0.060 / 0.120
G26     161.1          10.0              -19.2 +/-   20.48     -53.6 +/-   20.48  0.070 / 0.120
G31     158.9          76.1               10.4 +/-    1.42      10.7 +/-    1.42  0.040 / 0.050
G32     47.4           45.3                7.0 +/-    0.53       9.4 +/-    0.53  0.030 / 0.050