Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DDC callsign genealogy
Currently held by REDMILL, CARROLL
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 K4DDC's current licensee, walking backwards.
- Chapman, David DVAgranted 2015-05-14cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held K4DDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DDC, oldest first.
- REDMILL, CARROLL AL1997-11-26 → cancelled 2009-11-28
- Chapman, David D VA2015-09-29 active