Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HDR callsign genealogy
Currently held by JUSTICE, MICHAEL H
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 W4HDR's current licensee, walking backwards.
- Bowen, AlexanderFLgranted 2024-08-03cancelled 2025-02-25
Successor callsigns
Callsigns held now by people who previously held W4HDR.
- JUSTICE, MICHAEL HKYgranted 2019-02-23
All historical holders
Every license row we've seen with the callsign W4HDR, oldest first.
- JUSTICE, MICHAEL H KY2018-02-03 → cancelled 2019-02-23
- Bowen, Alexander FL2025-02-25 active