Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DCC callsign genealogy
Currently held by COOK, DAVID C
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 K4DCC's current licensee, walking backwards.
- COOK, DAVID CFLgranted 1991-12-10cancelled 2000-03-21
Successor callsigns
Callsigns held now by people who previously held K4DCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DCC, oldest first.
- COOK, DAVID C OR2021-02-02 active
- MAY, DONALD H— → cancelled 1997-08-22