Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4RDD callsign genealogy
Currently held by De Stwolinska, Adelbert
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 W4RDD's current licensee, walking backwards.
- Dunnington, Richard DVAgranted 2008-12-29cancelled 2009-01-21
Successor callsigns
Callsigns held now by people who previously held W4RDD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RDD, oldest first.
- De Stwolinska, Adelbert FL2004-04-19 → cancelled 2004-09-03
- Dunnington, Richard D VA2018-10-26 active