SEVERE SPACE WEATHER EVENTS: Workshop Study done in 2008 - Information that NEVER Makes it Mainstream

142 page Downloadable pdf: [link to http://www.bibliotecapleyades.net/]
Excerpts from the document (betcha you never heard of these events):

• The outage in January 1994 of two Canadian telecommunications satellites during a period of enhanced energetic electron fluxes at geosynchronous orbit, disrupting communications services nationwide. The first satellite recovered in a few hours; recovery of the second satellite took 6 months and cost $50 million to $70 million.
• The diversion of 26 United Airlines flights to non-polar or less-than-optimum polar routes during several days of disturbed space weather in January 2005. The flights were diverted to avoid the risk of HF radio blackouts during PCA events. The increased flight time and extra landings and takeoffs required by such route changes increase fuel consumption and raise cost, while the delays disrupt connections to other flights.
• Disabling of the Federal Aviation Administration’s recently implemented GPS-based Wide Area Augmentation System (WAAS) for 30 hours during the severe space weather events of October-November 2003.