Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4GI callsign genealogy
Currently held by DUNBAR, RYAN M
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 AF4GI's current licensee, walking backwards.
- DUNBAR, RYAN Mcancelled 1997-11-04
Successor callsigns
Callsigns held now by people who previously held AF4GI.
- DUNBAR, RYAN MSCgranted 2010-10-13cancelled 2011-01-25