Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9IKD callsign genealogy
Currently held by Duncan, Donald A
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 KB9IKD's current licensee, walking backwards.
- Duncan, Donald AINgranted 2020-03-02cancelled 2020-05-29
Successor callsigns
Callsigns held now by people who previously held KB9IKD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9IKD, oldest first.
- DUNCAN, DONALD W IN1993-05-18 → cancelled 2005-05-19
- Duncan, Donald A IN2020-05-29 active