- The Spectrum Monitor Index 2014-2018
- Civilian Air Cargo/Airline and Select Military Call Signs
- Russian Aviation HF Long Distance Frequencies
- VHF ACARS / HFDL (aka 'HF ACARS) 30 August 2019 Update
- U.S. Coast Guard/Navy HF Fax Station Schedules - U...
- Civilian Aero/Military HF Frequency List - Update ...
Saturday, January 10, 2009
Solar Weather Threat To Wired Earth
U.S.-commissioned report sees possibility of 'space weather [hurricane] Katrina' that could cost up to $2 trillion. See full story http://www.aviationweek.com/avnow/news/channel_space_story.jsp?id=news/SOL010709.xml\