Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0KER callsign genealogy
Currently held by KYLER, JOHN 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 KB0KER'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 KB0KER.
- KYLER, JOHN JCOgranted 2022-07-07