Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3UUO callsign genealogy
Currently held by SHUMAN JR, WILLIAM O
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 KB3UUO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB3UUO.
- SHUMAN JR, WILLIAM OMDgranted 2010-07-13cancelled 2022-07-14