Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0RDK callsign genealogy
Currently held by Kingman, Rich
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 KC0RDK's current licensee, walking backwards.
- Kingman, RichMOgranted 2025-04-03cancelled 2025-04-22
Successor callsigns
Callsigns held now by people who previously held KC0RDK.
- Kellow, John KCOgranted 2023-11-01
All historical holders
Every license row we've seen with the callsign KC0RDK, oldest first.
- Kellow, John K CO2003-11-20 → cancelled 2004-10-19
- Kingman, Rich MO2025-04-22 active