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

KB9N callsign genealogy

Currently held by DONOVAN, CLIFFORD J

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 KB9N's current licensee, walking backwards.

  1. AG4WFactive· E
    Agee IV, William FWAgranted 2024-07-09
  2. AI7YOcancelled· E
    Agee IV, William FWAgranted 2024-01-23cancelled 2024-07-09
  3. KK7QOUcancelled· E
    Agee IV, William FWAgranted 2024-01-23cancelled 2024-06-10

Successor callsigns

Callsigns held now by people who previously held KB9N.

  1. W9ELcancelled· E
    DONOVAN, CLIFFORD JILgranted 2000-05-12cancelled 2000-08-29

All historical holders

Every license row we've seen with the callsign KB9N, oldest first.

  • DONOVAN, CLIFFORD J IL
    1994-09-22 → cancelled 2000-05-12
  • Nahm, Kie B NY
    2022-10-06 active
← Back to KB9N License history →