Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PDU callsign genealogy
Currently held by Den Uyl, Paul A
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 W1PDU's current licensee, walking backwards.
- Den Uyl, Paul AMIgranted 2011-08-25cancelled 2011-11-18
Successor callsigns
Callsigns held now by people who previously held W1PDU.
No current licensee on record previously held this callsign.