Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DNX callsign genealogy
Currently held by PALMER, LUTHER H
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 K4DNX's current licensee, walking backwards.
- Dyer Jr, William OVAgranted 2021-04-19cancelled 2021-06-07
Successor callsigns
Callsigns held now by people who previously held K4DNX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DNX, oldest first.
- PALMER, LUTHER H NC2006-05-03 → cancelled 2018-06-29
- Dyer Jr, William O VA2021-06-07 active