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

W4ZOO callsign genealogy

Currently held by BULMER, JOHN A

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 W4ZOO's current licensee, walking backwards.

  1. K3JABcancelled· E
    BULMER, JOHN AFLgranted 2020-12-02cancelled 2022-10-25
  2. WD8NRRcancelled· E
    BULMER, JOHN APAgranted 1995-07-14cancelled 2001-02-10

Successor callsigns

Callsigns held now by people who previously held W4ZOO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4ZOO, oldest first.

  • SCOFIELD, KENDRICK FL
    2010-07-14 → cancelled 2022-08-16
  • BULMER, JOHN A FL
    2022-10-25 active
← Back to W4ZOO License history →