Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1HDZ callsign genealogy
Currently held by DEXTER, THOMAS 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 W1HDZ's current licensee, walking backwards.
- DEXTER, THOMAS HCTgranted 2017-05-25cancelled 2023-04-11
Successor callsigns
Callsigns held now by people who previously held W1HDZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1HDZ, oldest first.
- FALCONE, JAMES F CT2004-04-21 → cancelled 2016-03-23
- DEXTER, THOMAS H CT2023-04-11 active