Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9CNR callsign genealogy
Currently held by LABUSIER, 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 K9CNR's current licensee, walking backwards.
- LABUSIER, JOHN BILgranted 2016-12-02cancelled 2018-05-01
Successor callsigns
Callsigns held now by people who previously held K9CNR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9CNR, oldest first.
- LA BUSIER, JOHN B IL2003-10-23 → cancelled 2016-01-05
- LABUSIER, JOHN B IL2018-05-01 active