Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1DUN callsign genealogy
Currently held by Dunlay Jr, Thomas 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 W1DUN's current licensee, walking backwards.
- Dunlay Jr, Thomas RMAgranted 2022-05-20cancelled 2022-06-11
Successor callsigns
Callsigns held now by people who previously held W1DUN.
No current licensee on record previously held this callsign.