PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/23-17:57:50
G01     298.8          37.6                7.9 +/-    1.33      12.0 +/-    1.33  0.050 / 0.120
G03     309.8          13.3                6.7 +/-    2.03      17.4 +/-    2.03  0.050 / 0.080
G10     114.1          34.3                8.6 +/-    0.94      13.8 +/-    0.94  0.030 / 0.040
G11     274.5          27.2                7.4 +/-    1.47      13.9 +/-    1.47  0.020 / 0.030
G14     11.9           63.0                7.2 +/-    0.70       8.0 +/-    0.70  0.050 / 0.140
G22     312.4          33.1                6.8 +/-    1.33      11.2 +/-    1.33  0.060 / 0.140
G25     74.0           18.5                8.8 +/-    1.14      20.1 +/-    1.14  0.060 / 0.090
G31     154.5          73.8                9.0 +/-    0.86       9.3 +/-    0.86  0.070 / 0.080
G32     44.9           46.4                7.5 +/-    0.89      10.0 +/-    0.89  0.040 / 0.060