The term WOCO-FM does not correspond to a widely recognized or documented entity in established reference works, broadcasting registries, or other reliable sources available up to the present date. Consequently, comprehensive encyclopedic information about it is not available.
Possible contextual interpretations
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Call‑sign format – In the United States, broadcast stations are identified by a four‑letter call sign followed by a suffix indicating the service (e.g., “‑FM” for frequency‑modulation radio). The prefix “W” is typically assigned to stations east of the Mississippi River. The segment “OCO” could plausibly be derived from a location name such as Oconomowoc, Wisconsin, which is reflected in the existing AM station WOCO (1230 kHz).
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Potential FM counterpart – Given the existence of an AM station with the call sign WOCO, it is plausible that a sister FM station could have been designated WOCO-FM at some point, either as a licensed broadcast service, a translator, or a former format. No verifiable records confirming the operational status, frequency, ownership, or programming of such a station have been located.
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Other uses – Outside of broadcast terminology, “WOCO-FM” could conceivably be employed as a branding element, a corporate acronym, or a project name, but no notable examples have been documented.
Conclusion
Because of the lack of verifiable, published information, the term WOCO‑FM cannot be described with the depth and certainty required for an encyclopedic entry. Further research in official FCC databases, historical broadcasting directories, or local media archives would be necessary to determine whether WOCO‑FM has ever existed as a licensed FM broadcast station or in another recognized capacity.