Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4OA callsign genealogy
Currently held by Wills, Mark T
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 AG4OA's current licensee, walking backwards.
- Wills, Mark TTNgranted 1999-01-27cancelled 2002-01-31
Successor callsigns
Callsigns held now by people who previously held AG4OA.
No current licensee on record previously held this callsign.