Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6DZY callsign genealogy
Currently held by Guillot, Doug
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 K6DZY's current licensee, walking backwards.
- Guillot, DougCAgranted 2024-02-06cancelled 2025-05-06
Successor callsigns
Callsigns held now by people who previously held K6DZY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6DZY, oldest first.
- Boyd, Waldo T CA2007-04-13 → cancelled 2019-04-26
- Guillot, Doug CA2025-05-06 active