Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3TWZ callsign genealogy
Currently held by BURTIS, WARREN W
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 W3TWZ's current licensee, walking backwards.
- Wagner, Anthony JNCgranted 2019-02-04cancelled 2019-08-23
Successor callsigns
Callsigns held now by people who previously held W3TWZ.
- BURTIS, WARREN WNJgranted 2006-06-03cancelled 2018-06-05
All historical holders
Every license row we've seen with the callsign W3TWZ, oldest first.
- BURTIS, WARREN W NJ2004-04-06 → cancelled 2006-06-03
- Wagner, Anthony J FL2019-08-23 active