Oskaloosa FAA Radar Site

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Oskaloosa FAA Radar Site (19??-Active) - An FAA Radar Site established near McLouth, Jefferson County, Kansas. Initially assigned an FAA ID of QBZ. Active FAA Radar Site.

Oskaloosa FAA Radar Site in 2020.


This site became an FAA radar site furnishing radar track data to the FAA and data tied to USAF Direction Centers. The initial ARSR-2 radar equipment remained in place until it was upgraded to a Common Air Route Surveillance Radar (CARSR) circa 2015.

A FYQ-47 Common Digitizer was probably placed in service by February 1973 when the USAF/FAA FST-2 to FYQ-47 replacement program was completed. By 1990 the site was equipped with an ARSR-2 search radar and a CD-2A Common Digitizer. The Oskaloosa CD-2A was scheduled to receive an upgrade kit to implement three level weather data processing on 31 Aug 1990.


The nationwide replacement program converting FAA legacy radar systems to the CARSR radar configuration was completed by 17 Aug 2015 and Oskaloosa FAA Radar Site was a part of that program. Legacy FAA radars underwent a Service Life Extension Program (SLEP) that replaced key components in the vintage ARSR-1, ARSR-2, FPS-20, FPS-66 and FPS-67 radars. The CARSR program replaced legacy klystron radar transmitters with a solid-state transmitter as well as renovating the radar receiver and signal processor. The CARSR modification also included common digitizer functionality making a separate common digitizer unnecessary. The Oskaloosa FAA Radar Site is now operating with the CARSR radar. At the time of the CARSR changeout, the legacy radar in place was an ARSR-2 and the CARSR conversion included a 7172 Antenna. The secondary radar for the site is the ATCBI-6 Beacon set.

The radar site data is now available to the USAF/NORAD Battle Control System-Fixed (BCS-F) operations centers (EADS & WADS) as well as the FAA Kansas City ARTCC (ZKC) and adjacent ARTCCs. Other federal agencies have access to the data under the Homeland Security umbrella.

Oskaloosa FAA Site Major Equipment List
Search Radar HF Radar Data Systems IFF/SIF/Beacon

Current Status

An active FAA facility in McLouth, Jefferson County, Kansas.

Location: Near McLouth in Jefferson County, Kansas.

Maps & Images

Lat: 39.22228 Long: -95.2462

  • Multi Maps from ACME
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  • Elevation: 1,166'

GPS Locations:

See Also:



Visited: 17 Aug 2020

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