Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0NBP callsign genealogy
Currently held by HART, WILLIAM C
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 W0NBP's current licensee, walking backwards.
- HART, WILLIAM CIAgranted 2005-11-23cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held W0NBP.
No current licensee on record previously held this callsign.