Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9BPZ callsign genealogy
Currently held by HEYSE, DAVID L
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 W9BPZ's current licensee, walking backwards.
- Heyse, Donald KCOgranted 2005-11-16cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held W9BPZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9BPZ, oldest first.
- HEYSE, DAVID L IL1998-07-16 → cancelled 2004-01-06
- Heyse, Donald K CO2025-11-22 active