Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4JF callsign genealogy
Currently held by Napier, Jeffrey 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 AG4JF's current licensee, walking backwards.
- Napier, Jeffrey ATNgranted 2000-12-05cancelled 2001-06-04
Successor callsigns
Callsigns held now by people who previously held AG4JF.
- Napier, Jeffrey ATNgranted 2023-03-03