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  2. High-frequency Active Auroral Research Program - Wikipedia

    en.wikipedia.org/wiki/High-frequency_Active...

    Other instruments, such as a VHF and a UHF radar, a fluxgate magnetometer, a digisonde (an ionospheric sounding device), and an induction magnetometer, are used to study the physical processes that occur in the excited region. Work on the HAARP facility began in 1993.

  3. List of weather instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_weather_instruments

    Wind vane (also called a weather vane or a weathercock) for showing the wind direction; Present Weather/Precipitation Identification Sensor for identifying falling precipitation; Disdrometer for measuring drop size distribution; Transmissometer for measuring visibility; Ceilometer for measuring cloud ceiling

  4. Category : Meteorological instrumentation and equipment

    en.wikipedia.org/wiki/Category:Meteorological...

    Pages in category "Meteorological instrumentation and equipment" The following 126 pages are in this category, out of 126 total. This list may not reflect recent changes .

  5. Helicopter Aircrew Breathing Device - Wikipedia

    en.wikipedia.org/wiki/Helicopter_Aircrew...

    The Helicopter Aircrew Breathing Device or HABD (also known as a Helicopter Emergency Egress Device HEED or SEA [clarification needed] [1]) is an item of survival equipment which was adopted by the military to increase the chances of survival for embarked troops and aircrew trapped in an aircraft which has ditched (crashed into a body of water).

  6. NEXRAD - Wikipedia

    en.wikipedia.org/wiki/NEXRAD

    NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...

  7. Meteorological instrumentation - Wikipedia

    en.wikipedia.org/wiki/Meteorological_instrumentation

    Surface weather observations are the fundamental data used for safety as well as climatological reasons to forecast weather and issue warnings worldwide. [6] They can be taken manually, by a weather observer, by computer through the use of automated weather stations, or in a hybrid scheme using weather observers to augment the otherwise ...

  8. Project HARP - Wikipedia

    en.wikipedia.org/wiki/Project_HARP

    HARP 16-inch (410 mm) gun at its test site in Barbados (Coordinates. Project HARP, for high altitude research project, was a joint venture of the United States Department of Defense and Canada's Department of National Defence created with the goal of studying ballistics of re-entry vehicles and collecting upper atmospheric data for research.

  9. Category : Underwater diving environmental protection equipment

    en.wikipedia.org/wiki/Category:Underwater_diving...

    Equipment that provides protection from the environment to the user. Diving suits, helmets, full face masks, gloves etc. Pages in category "Underwater diving ...