Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ADQ callsign genealogy
Currently held by Walter, William 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 W4ADQ's current licensee, walking backwards.
- Walter, William EGAgranted 2019-05-22cancelled 2025-12-19
Successor callsigns
Callsigns held now by people who previously held W4ADQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ADQ, oldest first.
- WATSON JR, MELVIN E FL1993-10-19 → cancelled 2005-10-20
- Walter, William E GA2025-12-19 active