Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4DD callsign genealogy
Currently held by DUNCAN, DAVE 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 KM4DD's current licensee, walking backwards.
- DUNCAN, DAVE AGAgranted 2001-12-12cancelled 2005-07-23
Successor callsigns
Callsigns held now by people who previously held KM4DD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM4DD, oldest first.
- MC CREIGHT, PAUL L SC1988-06-14 → cancelled 2000-06-15
- DUNCAN, DAVE A GA2026-08-13 active