Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5ASU callsign genealogy
Currently held by FILBECK, BRUCE T
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 N5ASU's current licensee, walking backwards.
- Filbeck, Bruce TMIgranted 2009-07-16cancelled 2009-08-04
Successor callsigns
Callsigns held now by people who previously held N5ASU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5ASU, oldest first.
- FILBECK, BRUCE T MI1993-08-31 → cancelled 2005-09-01
- Filbeck, Bruce T MI2019-06-06 active