Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4RZW callsign genealogy
Currently held by Findlay, Rickie J
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 KC4RZW's current licensee, walking backwards.
- Findlay, Rickie JALgranted 2021-07-27cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KC4RZW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4RZW, oldest first.
- Findlay, Kimball R AL2010-07-20 → cancelled 2022-10-12
- Findlay, Rickie J AL2025-12-09 active