Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CDK callsign genealogy
Currently held by KNIGHT, CHRISTOPHER 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 W4CDK's current licensee, walking backwards.
- KNIGHT, CHRISTOPHER DTNgranted 2013-09-27cancelled 2014-02-28
Successor callsigns
Callsigns held now by people who previously held W4CDK.
- KENT, CHARLES DGAgranted 2026-03-07
All historical holders
Every license row we've seen with the callsign W4CDK, oldest first.
- KENT, CHARLES D GA1999-09-30 → cancelled 2006-05-05
- KNIGHT, CHRISTOPHER D TN2024-04-18 active