PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-21:58:00
G01     313.6          27.0                7.4 +/-    1.42      13.8 +/-    1.42  0.080 / 0.160
G10     95.5           46.9                8.6 +/-    1.04      11.2 +/-    1.04  0.090 / 0.150
G11     291.6          27.4                6.5 +/-    1.34      12.0 +/-    1.34  0.070 / 0.140
G14     336.1          70.2                8.1 +/-    0.81       8.5 +/-    0.81  0.080 / 0.160
G18     111.4          19.9               10.4 +/-    1.24      22.9 +/-    1.24  0.040 / 0.040
G22     305.8          18.0                7.3 +/-    0.81      16.8 +/-    0.81  0.050 / 0.040
G25     89.9           13.5               10.4 +/-    1.77      26.8 +/-    1.77  0.140 / 0.270
G31     176.4          52.3               12.9 +/-    0.91      15.8 +/-    0.91  0.140 / 0.270
G32     22.7           60.3                7.8 +/-    0.53       8.8 +/-    0.53  0.020 / 0.030