Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ZU callsign genealogy
Currently held by HAWLEY, DONALD 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 W4ZU's current licensee, walking backwards.
- LEMAR, THOMAS WNCgranted 1998-08-06cancelled 2000-05-09
Successor callsigns
Callsigns held now by people who previously held W4ZU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ZU, oldest first.
- HAWLEY, DONALD T FL1988-04-19 → cancelled 2000-04-20
- LEMAR, THOMAS W NC2021-03-12 active