Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6WRW callsign genealogy
Currently held by CALDWELL, DIANE 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 KB6WRW's current licensee, walking backwards.
- WIMMER, WILLIAM RCAgranted 2021-10-25cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held KB6WRW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6WRW, oldest first.
- CALDWELL, DIANE E CA1988-03-29 → cancelled 2000-03-30
- WIMMER, WILLIAM R CA2022-04-26 active