Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5WR callsign genealogy
Currently held by KEYES, JOHN W
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 KC5WR's current licensee, walking backwards.
- Rico, GuillermoNMgranted 2012-05-03cancelled 2014-04-25
Successor callsigns
Callsigns held now by people who previously held KC5WR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5WR, oldest first.
- KEYES, JOHN W MS1996-03-14 → cancelled 2008-03-15
- Rico, Guillermo NM2024-05-02 active