It may have been military PAVE PAWS if we had an exceptional band opening. Look at Wikipedia for a description.
Joe Nate Duehr wrote: > On Jun 18, 2009, at 8:09 AM, dmur...@verizon.net wrote: > > >> The buzz you are hearing on 440 is from airborn radar. I know on the >> B52s that they turn on ECM (Electronic Counter Measures) when >> leaving the coast and when returning. >>