Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7DDK callsign genealogy
Currently held by KIRKWOOD, DAVID 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 W7DDK's current licensee, walking backwards.
- KIMBER, DOUGLAS BUTgranted 2020-03-20cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held W7DDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DDK, oldest first.
- KIRKWOOD, DAVID D UT2000-04-08 → cancelled 2012-04-10
- KIMBER, DOUGLAS B UT2020-05-12 active