Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1BHA callsign genealogy
Currently held by HILBRUNNER, DOROTHY H
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 N1BHA's current licensee, walking backwards.
- Alexander, Bruce HNCgranted 2007-03-06cancelled 2012-03-16
Successor callsigns
Callsigns held now by people who previously held N1BHA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1BHA, oldest first.
- HILBRUNNER, DOROTHY H MA1995-02-17 → cancelled 2007-02-21
- Alexander, Bruce H NC2012-03-16 → cancelled 2024-03-19