Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9MZ callsign genealogy
Currently held by Rosenberg, Gregory D
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 AB9MZ's current licensee, walking backwards.
- Rosenberg, Gregory DILgranted 2001-12-08cancelled 2006-10-28
Successor callsigns
Callsigns held now by people who previously held AB9MZ.
No current licensee on record previously held this callsign.