Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5DW callsign genealogy
Currently held by WALKER, DONALD K
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 KB5DW's current licensee, walking backwards.
- WALKER, DONALD KARgranted 2020-02-26cancelled 2023-04-25
Successor callsigns
Callsigns held now by people who previously held KB5DW.
- WILLARD, WILLIAM DARgranted 2008-01-05cancelled 2010-04-09
All historical holders
Every license row we've seen with the callsign KB5DW, oldest first.
- WILLARD, WILLIAM D AR2007-03-16 → cancelled 2008-01-05
- WALKER, DONALD K AR2023-04-25 active