Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4OI callsign genealogy
Currently held by Henry, Darryl S
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 AG4OI's current licensee, walking backwards.
- Henry, Darryl SALgranted 1998-09-07cancelled 2002-02-07
Successor callsigns
Callsigns held now by people who previously held AG4OI.
- Henry, Darryl SALgranted 2022-07-20