Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1MZQ callsign genealogy
Currently held by Bieber, Aaron A
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 KB1MZQ's current licensee, walking backwards.
- BIEBER, AARONMAgranted 2021-09-07cancelled 2021-09-25
Successor callsigns
Callsigns held now by people who previously held KB1MZQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB1MZQ, oldest first.
- Bieber, Aaron A CT2006-01-12 → cancelled 2018-01-13
- BIEBER, AARON MA2021-09-25 active