Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KFR callsign genealogy
Currently held by ROYER, KENNETH F
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 K4KFR's current licensee, walking backwards.
- ROYER, KENNETH FTNgranted 2012-12-17cancelled 2013-07-30
Successor callsigns
Callsigns held now by people who previously held K4KFR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KFR, oldest first.
- GRIFFIN SR, JAMES R NC1987-12-29 → cancelled 1999-12-30
- ROYER, KENNETH F TN2023-05-10 active