Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1USF callsign genealogy
Currently held by Couto, Richard
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 KB1USF's current licensee, walking backwards.
- Couto, RichardMAgranted 2009-04-07cancelled 2010-09-02
Successor callsigns
Callsigns held now by people who previously held KB1USF.
No current licensee on record previously held this callsign.