Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5RIZ callsign genealogy
Currently held by RISLEY, GARY E
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 K5RIZ's current licensee, walking backwards.
- RISLEY, GARY ENMgranted 2024-07-09cancelled 2024-07-27
Successor callsigns
Callsigns held now by people who previously held K5RIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5RIZ, oldest first.
- Risley, Gary E NM2012-04-21 → cancelled 2024-05-15
- RISLEY, GARY E NM2024-07-27 active