Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KDZ callsign genealogy
Currently held by DUNLAP, CLARK 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 W1KDZ's current licensee, walking backwards.
- Young, NicCAgranted 2025-07-23cancelled 2025-08-12
Successor callsigns
Callsigns held now by people who previously held W1KDZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1KDZ, oldest first.
- DUNLAP, CLARK H ME1987-10-06 → cancelled 1999-10-07
- Young, Nic CA2025-08-12 active