- Common Language Identifier: SHRYMO
- Coordinates: 37º58’54.50″ N, 90º58’40.80″ W (37.98181 N, 90.978 W)
- County: Washington
- AT&T call sign: KBD39
- Antenna Structure Registration number: none
- Height (overall): 30.5 meters (100 feet)
- Current owner: State of Missouri (Missouri Statewide Interoperability Network)
- Current use: MOSWIN repeater
- Horn antennas? No
- Original paths: 1966 — Hillsboro, Cherryville.
Shirley was an unmanned auxiliary repeater station along an AT&T Long Lines microwave route spanning from Hillsboro, Missouri, to Dallas, Texas. The site is located deep in the Mark Twain National Forest, about 11 miles west-northwest of Potosi. It is on Floyd Tower Road, named for a former lookout tower that was located just yards south of the AT&T site.
The site consists of a 1,250-square-foot, semi-hardened concrete building and a 100-foot, self-supported lattice tower. The four KS-15676 horn-reflector antennas that would’ve originally been found atop the tower have since been removed.
Currently the site is used as a repeater in the Missouri StateWide Interoperability Network (MOSWIN) public safety radio system. As with other MOSWIN sites, Shirley was formerly owned by McCullough Comsites following AT&T’s 1999 sale of its microwave relay sites. According to the archived site page from McCullough’s website, the site sits on an acre lot.
Photos: September 13, 2025
