Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9LZ callsign genealogy
Currently held by Wenzel, Mark E
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 AB9LZ's current licensee, walking backwards.
- Wenzel, Mark EILgranted 2005-06-27cancelled 2006-01-26
Successor callsigns
Callsigns held now by people who previously held AB9LZ.
No current licensee on record previously held this callsign.