Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9DTP callsign genealogy
Currently held by Walker, Ken 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 KC9DTP's current licensee, walking backwards.
- Walker Jr, Kenneth DFLgranted 2021-05-20cancelled 2021-06-22
Successor callsigns
Callsigns held now by people who previously held KC9DTP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9DTP, oldest first.
- Walker, Ken D IN2003-04-22 → cancelled 2015-04-23
- Walker Jr, Kenneth D FL2021-06-22 active