Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0WPI callsign genealogy
Currently held by SCHAEFER, BRIAN 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 K0WPI's current licensee, walking backwards.
- SCHAEFER, BRIAN PILgranted 1998-04-17cancelled 1999-10-20
Successor callsigns
Callsigns held now by people who previously held K0WPI.
No current licensee on record previously held this callsign.