Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4WPZ callsign genealogy
Currently held by Schauer, Jeremiah
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 W4WPZ's current licensee, walking backwards.
- Schauer, JeremiahFLgranted 2024-01-23cancelled 2024-02-23
Successor callsigns
Callsigns held now by people who previously held W4WPZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4WPZ, oldest first.
- MILLINER, JAMES C KY1994-07-21 → cancelled 2006-07-22
- Schauer, Jeremiah FL2024-02-23 active