Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NF3O callsign genealogy
Currently held by STARK, ROBERT
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 NF3O's current licensee, walking backwards.
- STARK, ROBERTFLgranted 2011-08-22cancelled 2012-12-21
Successor callsigns
Callsigns held now by people who previously held NF3O.
- URBANIK, EDWARD ANHgranted 2002-10-16cancelled 2004-02-07