PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-16:27:50
G02     236.8          71.8                9.8 +/-    0.59      10.2 +/-    0.59  0.080 / 0.280
G05     172.7          14.8                9.1 +/-    1.36      22.7 +/-    1.36  0.090 / 0.340
G06     41.3           56.9                8.7 +/-    0.88      10.2 +/-    0.88  0.060 / 0.110
G12     323.1          56.3                5.8 +/-    1.06       6.8 +/-    1.06  0.080 / 0.120
G17     71.0           21.3                7.6 +/-    0.86      16.2 +/-    0.86  0.040 / 0.050
G19     53.0           42.3                8.6 +/-    0.54      12.0 +/-    0.54  0.030 / 0.040
G24     244.0          35.2               11.5 +/-    1.93      18.2 +/-    1.93  0.040 / 0.060
G25     316.5          12.4                8.5 +/-    1.72      22.6 +/-    1.72  0.040 / 0.050