Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JFK callsign genealogy
Currently held by Swansson, James H
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 N4JFK's current licensee, walking backwards.
- See, Allen FVAgranted 2021-03-15cancelled 2021-04-23
Successor callsigns
Callsigns held now by people who previously held N4JFK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JFK, oldest first.
- Swansson, James H NC2005-12-23 → cancelled 2018-02-22
- See, Allen F VA2021-04-23 active