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

W4HAM callsign genealogy

Currently held by GREEN, BRUCE R

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 W4HAM's current licensee, walking backwards.

  1. KK1HAMcancelled· G
    GREEN, BRUCE RSCgranted 2018-12-18cancelled 2023-01-06
  2. N1QWScancelled
    cancelled 1998-02-06

Successor callsigns

Callsigns held now by people who previously held W4HAM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4HAM, oldest first.

  • KOSTKA, STEPHEN J FL
    1997-10-01 → cancelled 2005-07-10
  • MOYE, HUGH A FL
    2017-05-08 → cancelled 2020-12-17
  • GREEN, BRUCE R SC
    2023-01-06 active
← Back to W4HAM License history →