Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4DX callsign genealogy
Currently held by Messer Jr, James 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 AG4DX's current licensee, walking backwards.
- MESSER JR, JAMES TFLgranted 1998-02-20cancelled 2000-11-17
Successor callsigns
Callsigns held now by people who previously held AG4DX.
No current licensee on record previously held this callsign.