Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8GMF callsign genealogy
Currently held by DEMETER, WILLIAM
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 W8GMF's current licensee, walking backwards.
- FOSTER, GARRY MPAgranted 2008-02-15cancelled 2016-02-02
Successor callsigns
Callsigns held now by people who previously held W8GMF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8GMF, oldest first.
- DEMETER, WILLIAM OH1996-01-24 → cancelled 2008-01-25
- Foster, Garry M OH2025-12-17 active