Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO9MB callsign genealogy
Currently held by Bauer, Michael L
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 NO9MB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NO9MB.
No current licensee on record previously held this callsign.