PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-01:27:50
G01     312.2          29.0                7.8 +/-    1.48      14.0 +/-    1.48  0.110 / 0.280
G10     99.2           44.0                7.2 +/-    0.63       9.9 +/-    0.63  0.080 / 0.270
G11     287.9          27.9                5.1 +/-    1.14       9.3 +/-    1.14  0.100 / 0.160
G14     338.6          69.6                7.0 +/-    0.84       7.4 +/-    0.84  0.090 / 0.140
G18     286.1          48.9                7.7 +/-    0.68       9.8 +/-    0.68  0.070 / 0.190
G20     116.3          18.8                7.5 +/-    0.98      16.9 +/-    0.98  0.070 / 0.160
G22     307.3          20.3                6.0 +/-    1.66      13.1 +/-    1.66  0.030 / 0.050
G25     86.4           14.2                5.9 +/-    1.89      15.0 +/-    1.89  0.040 / 0.050
G31     169.9          58.6                8.6 +/-    1.14       9.9 +/-    1.14  0.040 / 0.040
G32     30.5           56.1                4.9 +/-    0.39       5.8 +/-    0.39  0.040 / 0.050