Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA7DK callsign genealogy
Currently held by KATO, YUTAI
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 AA7DK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA7DK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA7DK, oldest first.
- KATO, YUTAI WA1990-02-20 → cancelled 2002-03-07
- KIMBELL, DENNIS R AZ2026-02-24 active