Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5WZP callsign genealogy
Currently held by Hullum, Roger D
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 W5WZP's current licensee, walking backwards.
- Hullum, Roger DTXgranted 2010-06-16cancelled 2010-08-13
Successor callsigns
Callsigns held now by people who previously held W5WZP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5WZP, oldest first.
- Aston, Jake W TX2004-08-23 → cancelled 2009-09-03
- Hullum, Roger D TX2020-06-23 active