Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1YBD callsign genealogy
Currently held by Zebryk Jr, John R
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 KB1YBD'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 KB1YBD.
- Zebryk Jr, John RMAgranted 2026-01-21