Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DUI callsign genealogy
Currently held by RITZ, SHELLEY M
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 N7DUI's current licensee, walking backwards.
- RITZ, SHELLEY MCAgranted 1999-02-26cancelled 2008-01-23
Successor callsigns
Callsigns held now by people who previously held N7DUI.