Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0O callsign genealogy
Currently held by Flynn, William J
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 KB0O's current licensee, walking backwards.
- Flynn, William JRIgranted 2005-11-07cancelled 2008-04-08
Successor callsigns
Callsigns held now by people who previously held KB0O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0O, oldest first.
- Flynn, William J RI2018-01-11 active
- KORKOWSKI, PATRICK J— → cancelled 1998-03-18