Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ7JN callsign genealogy
Currently held by Cochrane, John A
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 AJ7JN's current licensee, walking backwards.
- Cochrane, John AIDgranted 2025-12-24cancelled 2026-02-27
Successor callsigns
Callsigns held now by people who previously held AJ7JN.
No current licensee on record previously held this callsign.