WAC.3 Wyssen Avalanche Control Center, universal Platform for Avalanche Documentation, Explosive Tracking, Control of Systems for controlled release of Avalanches. http://control.wyssenavalanche.com/snow19.png Avalanche, Wyssen, Wyssen Avalanche Control AG, WAC.3, WAC, LS12-5, Avalanche Tower de-CH ISO-8859-1