PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-16:57:40
G01     302.2          36.1                8.9 +/-    2.30      13.9 +/-    2.30  0.080 / 0.120
G03     308.6          11.6               -2.5 +/-   30.18      -6.7 +/-   30.18  0.100 / 0.110
G10     111.3          36.6                9.0 +/-    0.85      13.8 +/-    0.85  0.040 / 0.040
G11     278.5          27.3                9.4 +/-    1.23      17.5 +/-    1.23  0.040 / 0.050
G14     5.2            64.8                7.1 +/-    0.63       7.8 +/-    0.63  0.090 / 0.110
G22     311.6          31.0                8.0 +/-    0.94      13.7 +/-    0.94  0.090 / 0.140
G25     77.4           18.0                7.2 +/-    1.89      16.6 +/-    1.89  0.030 / 0.030
G31     159.3          71.0                9.2 +/-    0.53       9.7 +/-    0.53  0.020 / 0.030
G32     42.1           48.3                6.6 +/-    1.45       8.5 +/-    1.45  0.070 / 0.090