tag:blogger.com,1999:blog-1466117244747937509.post7055345876397585787..comments2020-11-25T13:14:42.359-05:00Comments on Joe Sharkey: Brazil: The Empty SkiesJoesharkey.comhttp://www.blogger.com/profile/14113631846708664463noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1466117244747937509.post-72163133838835632742008-09-22T21:42:00.000-04:002008-09-22T21:42:00.000-04:00People who do shortwave radio listening as a hobby...People who do shortwave radio listening as a hobby, listen to pilots flying over Brazil, have known about the communications ''black hole'' in the Amazon for many years now. I am one of those listeners, who more than once heard pilots pleading to other pilots flying in their region for communication ''bridges'' because air traffic controllers could not hear them.Arseniohttps://www.blogger.com/profile/04400166185662730975noreply@blogger.com