ASOS - Automated Surface Observing System - Aviation Term - Abbreviation / Acronym
Related Definitions from Aviation Glossary
GSA
GHA
Military Operations Area (MOA)
ATA - Air Transport Association
MRO ...
ASOS is broadcasted over discrete VHF frequencies and the voice portion of a local navaid as they are designed to be able to reach out as far as 25 nautical miles horizontally in all directions, and up to 10,000 feet Above Ground Level (AGL).
ASOS (Automated Surface Observation System) The primary surface weather observing system in the U.S., supporting aviation operations and weather forecasting.
ASOS (Automated Surface Observation System) — The primary automated surface weather observing system in the U.S., supporting aviation operations and weather forecasting.
ASOS. See automated surface observing station.
ASR. See airport surveillance radar.
ATC. Air Traffic Control.
ASOS sensors, located at Salinas, CA
Automated airport weather stations are automated sensor suites which are designed to serve aviation and meteorological observing needs for safe and efficient aviation operations and weather forecasting.
The ASOS/AWOS visibility readings are said to be within 1/2-mile of observers readings. Accuracy seems to improve with distance. The automated systems use a reading from a black disk on the horizon for day and a small light at night.
Both ATIS and AWOS/ASOS provide information on airport winds, but the information often is either old (ATIS) or not applicable to the approach or to the runway itself.
The basic difference between these two automated weather systems is that the ASOS is comprised of a standard suite of weather sensors and is a product of a National Weather Service (NWS), Department of Defense (DoD), ...
ONE-MINUTE WEATHER- The most recent one minute updated weather broadcast received by a pilot from an uncontrolled airport ASOS/AWOS.
ONER-
(See OCEANIC NAVIGATIONAL ERROR REPORT.) ...
Here it states that Oshkosh has an Automated Surface Observing System (ASOS) followed by a phone number. This a system that you can call and get a minute-by-minute recording of the current surface weather conditions at Wittman Regional Airport.
 See also: Airport, Weather, Pilot, Aircraft, Navigation
  
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