Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JJN callsign genealogy
Currently held by Narabrook, Jeffrey J
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 K0JJN's current licensee, walking backwards.
- Narabrook, Jeffrey JMNgranted 2022-10-13cancelled 2023-04-11
Successor callsigns
Callsigns held now by people who previously held K0JJN.
No current licensee on record previously held this callsign.