Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JDC callsign genealogy
Currently held by Coleman, Jack 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 K7JDC's current licensee, walking backwards.
- Coleman, Jack DTNgranted 2015-03-26cancelled 2015-04-14
Successor callsigns
Callsigns held now by people who previously held K7JDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JDC, oldest first.
- COLLINS, JEFFREY D OR1999-04-21 → cancelled 2011-04-22
- Coleman, Jack D GA2025-04-02 active