Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4RD callsign genealogy
Currently held by DAVIS, RONALD 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 KD4RD's current licensee, walking backwards.
- DAVIS, RONALD DVAgranted 2015-01-12cancelled 2015-11-24
Successor callsigns
Callsigns held now by people who previously held KD4RD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4RD, oldest first.
- DILLON, OZRO K VA1997-03-12 → cancelled 2009-03-13
- DAVIS, RONALD D VA2025-12-02 active