Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4OM callsign genealogy
Currently held by ROSEN, DONNA G
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 KZ4OM's current licensee, walking backwards.
- ROSEN, DONNA GNCgranted 2024-11-06cancelled 2024-12-16
Successor callsigns
Callsigns held now by people who previously held KZ4OM.
- ROSEN, DONNA GNCgranted 2025-01-14