Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD3DHZ callsign genealogy
Currently held by Toy Jr, Robert J
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 KD3DHZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD3DHZ.
- Toy Jr, Robert JPAgranted 2026-06-30