Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BDA callsign genealogy
Currently held by Allen, Bill D
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 K9BDA's current licensee, walking backwards.
- Allen, Bill DILgranted 2014-02-12cancelled 2021-04-16
Successor callsigns
Callsigns held now by people who previously held K9BDA.
No current licensee on record previously held this callsign.