The "AWOS Data Acquisition System" refers to the Automated Weather Observing System (AWOS) Data Acquisition System, which is a component of the Automated Weather Observing System used in aviation and aerospace.

AWOS is a system that provides current weather conditions, such as temperature, humidity, wind direction, wind speed, visibility, and other related data, to aid in flight operations and aviation safety. The Data Acquisition System is the core component of AWOS, responsible for collecting, processing, and transmitting weather data from various sensors and instruments.

The primary function of the AWOS Data Acquisition System is to:

1. Collect data from various weather sensors, such as anemometers, thermometers, hygrometers, and ceilometers.
2. Process the data to ensure accuracy, quality, and completeness.
3. Format the data into a standardized format, such as METAR ( Meteorological Aerodrome Report) or SPECI (Special Weather Report).
4. Transmit the data to various stakeholders, including air traffic control, pilots, and other authorized personnel.

The AWOS Data Acquisition System typically consists of:

1. Sensors and instruments to measure various weather parameters.
2. Data acquisition hardware, such as computers, data loggers, and communication equipment.
3. Software to process, format, and transmit the data.
4. Power supply and backup systems to ensure continuous operation.

The AWOS Data Acquisition System plays a critical role in ensuring aviation safety by providing accurate and timely weather information to support flight planning, air traffic control, and other aviation operations.