Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DTH callsign genealogy
Currently held by TRUMBULL, DONALD S
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 N4DTH's current licensee, walking backwards.
- Hughes, TimothyALgranted 2022-07-02cancelled 2023-01-24
Successor callsigns
Callsigns held now by people who previously held N4DTH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DTH, oldest first.
- TRUMBULL, DONALD S FL1987-09-29 → cancelled 1999-09-30
- Hughes, Timothy AL2023-01-24 active