Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ZD callsign genealogy
Currently held by RICHIE, KEITH G
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 W3ZD's current licensee, walking backwards.
- RICHIE, KEITH GNCgranted 2017-06-06cancelled 2020-11-10
Successor callsigns
Callsigns held now by people who previously held W3ZD.
- Brantley, Winfield CSCgranted 2006-12-22cancelled 2010-09-11
All historical holders
Every license row we've seen with the callsign W3ZD, oldest first.
- ZIMMERMAN, DAVID R NV1991-11-05 → cancelled 2003-11-06
- Brantley, Winfield C SC2004-02-18 → cancelled 2006-12-22
- CORDERMAN, ALLAN B ME2008-12-30 → cancelled 2018-10-20
- RICHIE, KEITH G NC2020-11-10 active