PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/23-14:57:40
G01     317.2          21.7                7.3 +/-    3.08      15.4 +/-    3.08  0.080 / 0.270
G08     256.1          10.8                6.8 +/-    1.63      18.7 +/-    1.63  0.150 / 0.240
G10     86.5           50.9                6.2 +/-    0.87       7.7 +/-    0.87  0.040 / 0.040
G11     301.3          23.1                6.4 +/-    0.88      13.1 +/-    0.88  0.030 / 0.040
G14     307.1          70.4                6.5 +/-    0.60       6.9 +/-    0.60  0.230 / 0.360
G22     303.4          15.4                4.0 +/-    1.81       9.9 +/-    1.81  0.210 / 0.290
G25     97.8           10.6                9.7 +/-    3.42      26.7 +/-    3.42  0.050 / 0.050
G31     174.0          48.1                9.0 +/-    0.73      11.7 +/-    0.73  0.030 / 0.050
G32     17.4           63.4                6.7 +/-    0.58       7.4 +/-    0.58  0.200 / 0.220