Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9JLK callsign genealogy
Currently held by HAVENER, JOHN B
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 N9JLK's current licensee, walking backwards.
- Rizzo, Salvatore dILgranted 2004-09-15cancelled 2004-12-24
Successor callsigns
Callsigns held now by people who previously held N9JLK.
- Rizzo, Salvatore DILgranted 2017-10-10
All historical holders
Every license row we've seen with the callsign N9JLK, oldest first.
- HAVENER, JOHN B IN1990-03-27 → cancelled 2002-03-28
- Rizzo, Salvatore D IL2004-12-24 → cancelled 2007-04-24