Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9WDB callsign genealogy
Currently held by Bulkley, William 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 K9WDB's current licensee, walking backwards.
- Bulkley, William DILgranted 2000-03-07cancelled 2007-04-10
Successor callsigns
Callsigns held now by people who previously held K9WDB.
No current licensee on record previously held this callsign.