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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KD9REN callsign genealogy

Currently held by Leonard, Peter 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 KD9REN's current licensee, walking backwards.

  1. AA9UUcancelled· E
    Leonard, Peter JWIgranted 2021-12-24cancelled 2025-12-30
  2. W9ZMFcancelled· E
    Leonard, Peter JWIgranted 2021-01-15cancelled 2021-12-24

Successor callsigns

Callsigns held now by people who previously held KD9REN.

  1. W9ZMFcancelled· E
    Leonard, Peter JWIgranted 2021-01-15cancelled 2021-12-24

All historical holders

Every license row we've seen with the callsign KD9REN, oldest first.

  • Leonard, Peter J WI
    2020-12-18 → cancelled 2021-01-15
  • Leonard, Peter J WI
    2025-12-30 active
← Back to KD9REN License history →