PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/02-00:13:10
G02     230.8          72.7               10.1 +/-    0.56      10.5 +/-    0.56  0.040 / 0.050
G05     172.6          12.9               18.3 +/-    3.27      47.8 +/-    3.27  0.030 / 0.090
G06     42.5           62.9                8.7 +/-    0.43       9.6 +/-    0.43  0.130 / 0.220
G12     321.3          47.2                8.2 +/-    1.16      10.7 +/-    1.16  0.070 / 0.230
G17     65.0           28.5                7.3 +/-    1.06      13.2 +/-    1.06  0.070 / 0.100
G19     51.3           42.6                7.7 +/-    1.36      10.8 +/-    1.36  0.070 / 0.090
G24     250.6          37.4               12.1 +/-    1.10      18.4 +/-    1.10  0.040 / 0.050