Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7DK callsign genealogy
Currently held by WENTWORTH, JOEL B
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 KD7DK's current licensee, walking backwards.
- Kingston III, Douglas PWAgranted 2014-03-04cancelled 2014-08-01
- N3AUCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD7DK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7DK, oldest first.
- WENTWORTH, JOEL B MT1997-07-30 → cancelled 2000-11-02
- Kingston III, Douglas P WA2024-06-12 active