Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5KDF callsign genealogy
Currently held by MATTHEWS, CHARLES L
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 W5KDF's current licensee, walking backwards.
- SHELTON, RON LOKgranted 2014-11-19cancelled 2021-11-16
Successor callsigns
Callsigns held now by people who previously held W5KDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5KDF, oldest first.
- MATTHEWS, CHARLES L LA2004-04-26 → cancelled 2016-07-14
- SHELTON, RON L KS2021-11-16 active