Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4UF callsign genealogy
Currently held by KENNERLEY SR, JON M
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 K4UF's current licensee, walking backwards.
- KENNERLEY SR, JON MNCgranted 2006-11-16cancelled 2012-11-02
Successor callsigns
Callsigns held now by people who previously held K4UF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4UF, oldest first.
- GREEN, ROBERT W NC2006-05-04 → cancelled 2010-10-14
- KENNERLEY SR, JON M NC2022-08-23 active