Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1IZ callsign genealogy
Currently held by Rosenthal, Steven
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 AA1IZ's current licensee, walking backwards.
- N1QHDno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA1IZ.
No current licensee on record previously held this callsign.