Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DCD callsign genealogy
Currently held by Drieberg, Denver 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 K9DCD's current licensee, walking backwards.
- Drieberg, Denver CCAgranted 2012-07-30cancelled 2013-08-13
Successor callsigns
Callsigns held now by people who previously held K9DCD.
No current licensee on record previously held this callsign.