Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4FKL callsign genealogy
Currently held by Barr, John I
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 N4FKL's current licensee, walking backwards.
- Barr, John ITNgranted 2015-09-11cancelled 2019-10-22
Successor callsigns
Callsigns held now by people who previously held N4FKL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4FKL, oldest first.
- HALE, LAWRENCE E SC2004-02-26 → cancelled 2016-05-25
- Barr, John I TN2019-10-22 active