Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4TM callsign genealogy
Currently held by Charles, Harold F
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 AG4TM's current licensee, walking backwards.
- Charles, Harold FVAgranted 2002-05-24cancelled 2002-06-05
Successor callsigns
Callsigns held now by people who previously held AG4TM.
No current licensee on record previously held this callsign.