PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-16:13:10
G02     235.1          71.0               10.0 +/-    0.66      10.5 +/-    0.66  0.060 / 0.270
G05     173.1          14.1               10.3 +/-    2.10      26.3 +/-    2.10  0.060 / 0.280
G06     41.5           57.6               10.1 +/-    0.48      11.8 +/-    0.48  0.070 / 0.100
G12     323.1          55.6                9.5 +/-    1.43      11.2 +/-    1.43  0.060 / 0.120
G17     70.5           21.6                8.6 +/-    1.30      18.2 +/-    1.30  0.040 / 0.060
G19     52.1           42.8                9.6 +/-    0.51      13.3 +/-    0.51  0.040 / 0.040
G24     244.8          35.6               10.5 +/-    1.43      16.5 +/-    1.43  0.140 / 0.380
G25     316.3          11.8                6.3 +/-   14.43      16.8 +/-   14.43  0.130 / 0.360