Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4DD callsign genealogy
Currently held by DUNCAN, DONALD 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 KC4DD's current licensee, walking backwards.
- DUNCAN, DONALD DNCgranted 2008-12-10cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held KC4DD.
- JOHNSON, WAYNE RVAgranted 2010-11-23cancelled 2022-11-24
All historical holders
Every license row we've seen with the callsign KC4DD, oldest first.
- JOHNSON, WAYNE R VA2001-12-07 → cancelled 2010-11-23
- DUNCAN, DONALD D NC2017-04-11 active