Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7N callsign genealogy
Currently held by NEFF, JOHN F
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 AB7N's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB7N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7N, oldest first.
- NEFF, JOHN F WA1999-01-15 → cancelled 2007-07-13
- Petit, Clinton J OR2020-02-10 active