PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/09-01:57:30
G02     242.3          77.2               10.0 +/-    0.48      10.2 +/-    0.48  0.040 / 0.040
G05     170.8          16.8               15.8 +/-    1.16      37.6 +/-    1.16  0.050 / 0.050
G06     40.7           59.1                9.7 +/-    0.56      11.1 +/-    0.56  0.160 / 0.290
G12     321.4          51.0               10.2 +/-    0.52      12.8 +/-    0.52  0.160 / 0.270
G17     68.7           26.1                8.7 +/-    2.35      16.7 +/-    2.35  0.220 / 0.230
G19     56.4           39.4                8.9 +/-    1.72      13.1 +/-    1.72  0.440 / 0.390
G24     245.9          35.0               13.2 +/-    2.33      21.0 +/-    2.33  0.090 / 0.090
G25     316.6          11.2               -9.6 +/-   30.43     -26.1 +/-   30.43  0.090 / 0.090