Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9DYU callsign genealogy
Currently held by Davis, Rick L
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 KD9DYU's current licensee, walking backwards.
- Davis, Rick LINgranted 2015-05-05cancelled 2015-05-27
Successor callsigns
Callsigns held now by people who previously held KD9DYU.
- Davis, Rick LINgranted 2015-05-05cancelled 2015-07-07