Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT1D callsign genealogy
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 KT1D's current licensee, walking backwards.
- DUNN, TIMOTHY YMAgranted 1999-06-23cancelled 1999-11-18
Successor callsigns
Callsigns held now by people who previously held KT1D.
- BEAN, JOHN R EMEgranted 1997-10-20cancelled 2006-02-25
All historical holders
Every license row we've seen with the callsign KT1D, oldest first.
- DUNN, TIMOTHY Y MA2019-08-21 active
- —— → cancelled 1997-10-20