Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7DD callsign genealogy
Currently held by Drown, David 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 KD7DD's current licensee, walking backwards.
- DREW, DOUGLAS WORgranted 2014-05-20cancelled 2014-09-09
Successor callsigns
Callsigns held now by people who previously held KD7DD.
- Drown, David BAZgranted 2016-10-25
All historical holders
Every license row we've seen with the callsign KD7DD, oldest first.
- Drown, David B UT2006-04-07 → cancelled 2007-01-04
- DREW, DOUGLAS W OR2014-09-09 → cancelled 2026-09-12