Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4WPT callsign genealogy
Currently held by Tempel, William 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 W4WPT's current licensee, walking backwards.
- TEMPEL, WILLIAM PGAgranted 2009-05-19cancelled 2009-09-15
Successor callsigns
Callsigns held now by people who previously held W4WPT.
- Tempel, William PGAgranted 2010-04-27cancelled 2022-04-28