Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DLW callsign genealogy
Currently held by Williams, David L
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 K4DLW's current licensee, walking backwards.
- Williams, David LVAgranted 2014-07-23cancelled 2014-12-05
Successor callsigns
Callsigns held now by people who previously held K4DLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DLW, oldest first.
- WITHERSPOON, DONALD L FL2000-12-22 → cancelled 2012-12-27
- Williams, David L VA2024-12-05 active