Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA5BZ callsign genealogy
Currently held by Muenchau, Daniel S
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 AA5BZ's current licensee, walking backwards.
- Muenchau, Daniel STXgranted 2015-02-12cancelled 2015-03-03
Successor callsigns
Callsigns held now by people who previously held AA5BZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA5BZ, oldest first.
- WISZNEAUCKAS, GEORGE R MO1997-07-25 → cancelled 2008-04-02
- Muenchau, Daniel S TX2025-01-28 active