Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3PDP callsign genealogy
Currently held by White Jr, William H
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 W3PDP's current licensee, walking backwards.
- White Jr, William HMDgranted 2020-03-30cancelled 2020-06-23
Successor callsigns
Callsigns held now by people who previously held W3PDP.
No current licensee on record previously held this callsign.