Confidence: Medium · Source: FCC ULS · As of 2026-09-15
NU4DO callsign genealogy
Currently held by URICH, NORMAN
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 NU4DO's current licensee, walking backwards.
- URICH, NORMANFLgranted 2003-04-07cancelled 2003-05-23
Successor callsigns
Callsigns held now by people who previously held NU4DO.
No current licensee on record previously held this callsign.