PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/09-23:43:00
G02     232.3          73.2               10.6 +/-    0.73      11.1 +/-    0.73  0.040 / 0.060
G05     172.3          13.5               20.0 +/-    3.59      51.6 +/-    3.59  0.050 / 0.060
G06     42.1           61.9               11.0 +/-    0.47      12.3 +/-    0.47  0.060 / 0.250
G12     321.4          48.3               10.4 +/-    0.84      13.4 +/-    0.84  0.080 / 0.240
G17     65.9           27.7               10.3 +/-    1.13      18.9 +/-    1.13  0.030 / 0.040
G19     51.9           42.2               11.3 +/-    1.03      15.9 +/-    1.03  0.030 / 0.040
G24     249.5          37.0               13.9 +/-    1.13      21.3 +/-    1.13  0.050 / 0.040