Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DWR callsign genealogy
Currently held by Rock, David
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 K9DWR's current licensee, walking backwards.
- Rock, David WILgranted 2012-02-01cancelled 2012-02-22
Successor callsigns
Callsigns held now by people who previously held K9DWR.
No current licensee on record previously held this callsign.