Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ADM callsign genealogy
Currently held by ADAMS, JOHN E
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 W4ADM's current licensee, walking backwards.
- Trant, Robert AALgranted 2011-12-19cancelled 2012-01-31
Successor callsigns
Callsigns held now by people who previously held W4ADM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ADM, oldest first.
- ADAMS, JOHN E VA1998-01-14 → cancelled 2010-01-15
- Trant, Robert A AL2021-12-28 active