Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6REZ callsign genealogy
Currently held by STIERN, RICHARD A
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 K6REZ's current licensee, walking backwards.
- Harmes, RossCAgranted 2024-03-27cancelled 2024-04-16
Successor callsigns
Callsigns held now by people who previously held K6REZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6REZ, oldest first.
- STIERN, RICHARD A CA1994-08-17 → cancelled 2006-08-18
- HARMES, ROSS CA2024-04-16 active