Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ADT callsign genealogy
Currently held by Bell Jr, Daniel 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 W4ADT's current licensee, walking backwards.
- HOWARD, WILLIAM DFLgranted 2019-01-31cancelled 2026-02-20
Successor callsigns
Callsigns held now by people who previously held W4ADT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ADT, oldest first.
- Bell Jr, Daniel J GA2013-08-10 → cancelled 2025-07-05
- HOWARD, WILLIAM D FL2026-02-20 active