Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4XO callsign genealogy
Currently held by Buczkowski, Gary J
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 AG4XO's current licensee, walking backwards.
- Buczkowski, Gary JTNgranted 2001-03-21cancelled 2003-01-21
Successor callsigns
Callsigns held now by people who previously held AG4XO.
No current licensee on record previously held this callsign.