Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9KCJ callsign genealogy
Currently held by JOHNSTON, KNOX C
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 K9KCJ's current licensee, walking backwards.
- JOHNSTON, KNOX CNMgranted 2007-12-03cancelled 2007-12-27
Successor callsigns
Callsigns held now by people who previously held K9KCJ.
No current licensee on record previously held this callsign.