Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6KRQ callsign genealogy
Currently held by Diamond, William 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 K6KRQ's current licensee, walking backwards.
- Diamond, William ECAgranted 2022-08-12cancelled 2022-09-09
Successor callsigns
Callsigns held now by people who previously held K6KRQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6KRQ, oldest first.
- BERRYHILL, JOE L CA1996-04-23 → cancelled 2008-04-24
- Diamond, William E CA2022-09-09 active