Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4REX callsign genealogy
Currently held by Rex, Kris
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 KR4REX's current licensee, walking backwards.
- Valentine, KrisCAgranted 2013-09-04cancelled 2013-09-24
Successor callsigns
Callsigns held now by people who previously held KR4REX.
No current licensee on record previously held this callsign.