Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DDD callsign genealogy
Currently held by DABBERT, DENNIS 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 K9DDD's current licensee, walking backwards.
- Nansel, Matthew PMSgranted 2021-03-01cancelled 2021-04-09
Successor callsigns
Callsigns held now by people who previously held K9DDD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9DDD, oldest first.
- DABBERT, DENNIS D WI2008-12-10 → cancelled 2020-12-10
- Nansel, Matthew P MS2021-04-09 active