Brunton Atmospheric Data Centers or ADC's

PRO - The most comprehensive data center available to backcountry explorers and outdoor professionals. Measures, counts, tracks, interprets, forecasts and logs virtually every aspect of your trip. Because knowledge is power.  SUMMIT - The essential functions of the Wind, with more capacity to inform and warn. Enhanced tools help you forecast weather, set warning signals, and let you time, track, log and download more performance data.  WIND - A backwoods basic that gives you current conditions from temperature to wind chill to water speed, plus timekeeping, chronometer and countdown tools to measure performance.