Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7DW 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 KL7DW's current licensee, walking backwards.
- Warren, DaultonAKgranted 2021-02-18cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held KL7DW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7DW, oldest first.
- WILLIAMS, DAVID L AK2006-08-17 → cancelled 2018-11-06
- Warren, Daulton AK2021-03-23 active