WCAO
radio station in Baltimore, Maryland
WCAO (600 kHz "Heaven 600") is a commercial AM radio station in Baltimore, Maryland. It broadcasts an urban contemporary gospel radio format and is owned by iHeartMedia, Inc. It also airs some Christian talk and teaching programs. The studios and offices are located at The Rotunda shopping center in Baltimore.
WCAO is powered at 5,000 watts. To protect other stations on AM 600, it uses a four-tower array directional antenna at all times. To improve its sound quality, WCAO broadcasts using HD Radio technology. The transmitter is off Garrison Forest Road at Caves Woods Road in Owings Mills, Maryland. Programming is also heard on the HD-2 digital subchannel of co-owned 102.7 WQSR.
History
Early years
Effective December 1, 1921, the U.S. Department of Commerce, in charge of radio at the time, adopted a regulation formally establishing a broadcasting station category, which set aside the wavelength of 360 meters (833 kHz) for entertainment broadcasts, and 485 meters (619 kHz) for farm market and weather reports. On May 8, 1922, the Sanders & Stayman Company, which owned a variety store at 319 North Charles Street, was issued a license for a new station, initially powered at 100 watts, on the shared 360 meter "entertainment" wavelength.
This brief starts where responsible research should: with the source description of “WCAO” as radio station in Baltimore, Maryland. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as radio station in Baltimore, Maryland. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q7947596. Authority coordinates are 39.430, -76.762. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1921 and 1922.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
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Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “WCAO”, its source revision and the description used here.
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Questions for further research
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Search terms from this dossier
This entry incorporates text from “WCAO” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.