Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4GMM callsign genealogy
Currently held by HILLIARD III, ALEXANDER H
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 W4GMM's current licensee, walking backwards.
- HILLIARD III, ALEXANDER Hcancelled 1997-10-15
Successor callsigns
Callsigns held now by people who previously held W4GMM.
No current licensee on record previously held this callsign.