ASOS Equipment Sites (T/Td updated 13 August 2025) is a tabbed spreadsheet that lists the following installed equipment by ASOS Site:

The data in this spreadsheet is provided “As Is” with no warranty or explanation beyond what is on this page.

• Equipment types: (EQUIP)
• Acquisition Control Unit - ACU (AACU)
• Data Collection Package - DCP (ADCP)
• Single Cabinet ASOS - SCA (ASCA)
• Ceilometer - (ACL31)
• Visibility - (AVIS)
• Present Weather - (APWX)
• All Weather Precipitation Accumulation Gauge - (AWPAG)
• Freezing Rain Sensor - (AZR) 
• Heated Tipping Bucket - (AHTB)
• Anemometer - Ice Free Wind Sensor (AWMT-702/NWS-425)
• Anemometer - Wind Tower Height
• ASOS 2.0 - future ACU/DCP and SCA  
• Air and Dew Point Temperature (1088/DTS-1/HMP-155)

Regions Key:

SR = Southern Region, ER = Eastern Region, CR = Central Region, WR= Western Region,  

AR = Alaska Region, & PR = Pacific Region.

Misc:

WFO =  Weather Forecast Office

EQSID = ICAO Site Identifier

Select the equipment TAB at the bottom of the sheet to view the different installed equipment by site. Use the Filter Dropdowns at each column header to refine your search.