Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JFA callsign genealogy
Currently held by Affeldt, 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 W4JFA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4JFA.
- Affeldt, John FVAgranted 2017-12-29
All historical holders
Every license row we've seen with the callsign W4JFA, oldest first.
- Affeldt, John F VA1999-02-23 → cancelled 2008-03-11
- Naylor, Robert C NC2020-06-01 active