Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3DPW callsign genealogy
Currently held by WINQUIST, DONALD P
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 W3DPW's current licensee, walking backwards.
- WINQUIST, DONALD PMDgranted 2009-04-14cancelled 2009-10-16
Successor callsigns
Callsigns held now by people who previously held W3DPW.
No current licensee on record previously held this callsign.