Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ0HN callsign genealogy
Currently held by Perrachione, John
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 AJ0HN's current licensee, walking backwards.
- Perrachione, JohnMOgranted 2017-03-13cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held AJ0HN.
No current licensee on record previously held this callsign.