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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W0CYY callsign genealogy

Currently held by CRESCO AMATEUR RADIO CLUB INC

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by W0CYY's current licensee, walking backwards.

  1. KC0GYBcancelled
    CRESCO AMATEUR RADIO CLUB INCIAgranted 1999-12-16cancelled 2000-09-29

Successor callsigns

Callsigns held now by people who previously held W0CYY.

No current licensee on record previously held this callsign.