Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0WDH callsign genealogy
Currently held by Haun, William D
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 N0WDH's current licensee, walking backwards.
- Haun, William DOKgranted 2004-01-27cancelled 2004-02-18
Successor callsigns
Callsigns held now by people who previously held N0WDH.
- VACCARO, THOMAS JMOgranted 2013-11-19cancelled 2026-03-06