BRAZIL 11780.008 RadioNac da Amazonia, Brasilia, once 250 kW, not as poor to fair S=6-7 at present at 20.15 UT.and the only companion this UT night in 25 mb
11815.012 kHz Radio Brasil Central, strong carrier, but much low modulated at 20.17 UT.[selected SDR options, span 12.5 kHz RBW 15.3 Hertz]
(wb df5sx, wwdxc BC-DX TopNews May 14)
http://www.hard-core-dx.com/article.php?story=20210518151502317