Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TLZ callsign genealogy
Currently held by MULLINS, HENRY L
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 W4TLZ's current licensee, walking backwards.
- COURTNEY, WILLIAM PALgranted 2012-04-06cancelled 2013-01-01
Successor callsigns
Callsigns held now by people who previously held W4TLZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TLZ, oldest first.
- MULLINS, HENRY L KY1996-03-19 → cancelled 2008-03-20
- Courtney, William P AL2013-01-01 → cancelled 2025-01-03