Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW4DW callsign genealogy
Currently held by Warren, 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 WW4DW's current licensee, walking backwards.
- WARREN, WILLIAM DGAgranted 2007-02-06cancelled 2011-08-19
Successor callsigns
Callsigns held now by people who previously held WW4DW.
No current licensee on record previously held this callsign.