Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1YUD callsign genealogy
Currently held by NCB39 Battalion US Naval Sea Cadet Corps
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 KB1YUD'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 KB1YUD.
- NS1CCactiveNCB39 Battalion US Naval Sea Cadet CorpsMEgranted 2022-12-30