Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA7JN callsign genealogy
Currently held by Helfrich, Jeanne
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 AA7JN's current licensee, walking backwards.
- Helfrich, JeanneORgranted 2021-10-28cancelled 2022-02-08
Successor callsigns
Callsigns held now by people who previously held AA7JN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA7JN, oldest first.
- NGUYEN, DUONG WA1991-08-06 → cancelled 2003-08-07
- Helfrich, Jeanne OR2022-02-08 active