Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF0JN callsign genealogy
Currently held by Howard, John 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 KF0JN's current licensee, walking backwards.
- Howard, John AWAgranted 2018-02-02cancelled 2020-09-09
Successor callsigns
Callsigns held now by people who previously held KF0JN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF0JN, oldest first.
- HOWARD, JOHN A IA1992-04-14 → cancelled 2004-04-15
- Howard, John A GA2020-09-09 active