Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL4YB callsign genealogy
Currently held by BAIRD, RICHARD M
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 KL4YB'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 KL4YB.
- BAIRD, RICHARD MAKgranted 2019-11-05cancelled 2025-04-15