Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ5BB callsign genealogy
Currently held by STEIN, MICHAEL 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 AJ5BB's current licensee, walking backwards.
- STEIN, MICHAEL ALAgranted 2024-05-29cancelled 2026-03-31
- KC5IBAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AJ5BB.
No current licensee on record previously held this callsign.