Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LUI callsign genealogy
Currently held by BROWN JR, WILLIAM T
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 K1LUI's current licensee, walking backwards.
- Gonzalez, Luis JMEgranted 2024-08-23cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K1LUI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1LUI, oldest first.
- BROWN JR, WILLIAM T MA2009-12-30 → cancelled 2022-01-11
- Gonzalez, Luis J ME2025-12-09 active