Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RKU callsign genealogy
Currently held by CLELAND, JAMES N
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 K9RKU's current licensee, walking backwards.
- CLELAND, MATTHEW JILgranted 2001-02-27cancelled 2010-08-13
Successor callsigns
Callsigns held now by people who previously held K9RKU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RKU, oldest first.
- CLELAND, JAMES N IL2004-02-25 → cancelled 2008-12-09
- CLELAND, MATTHEW J IL2020-07-13 active