Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4OX callsign genealogy
Currently held by Amsbaugh, Jeffry K
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 AJ4OX's current licensee, walking backwards.
- Amsbaugh, Jeffry KFLgranted 2000-09-08cancelled 2009-03-10
- N8GQXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AJ4OX.
- Amsbaugh, Jeffry KFLgranted 2023-08-08