Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CK callsign genealogy
Currently held by Kelly, Matt R
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 K4CK's current licensee, walking backwards.
- ASHLEY, MARK ENCgranted 2018-01-29cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held K4CK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CK, oldest first.
- KELLY, COOKIE F AL2006-08-17 → cancelled 2011-09-05
- Kelly, Matt R AL2011-12-06 → cancelled 2021-05-28
- ASHLEY, MARK E NC2023-06-22 active