Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DAO callsign genealogy
Currently held by OSWALD, DONNA 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 N7DAO's current licensee, walking backwards.
- OSWALD, DONNA AIDgranted 2005-03-03cancelled 2008-05-16
Successor callsigns
Callsigns held now by people who previously held N7DAO.
No current licensee on record previously held this callsign.