Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4AT callsign genealogy
Currently held by Gallarno, John E
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 AJ4AT's current licensee, walking backwards.
- Gallarno, John ETNgranted 2006-06-19cancelled 2007-07-23
Successor callsigns
Callsigns held now by people who previously held AJ4AT.
No current licensee on record previously held this callsign.