Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4JRH callsign genealogy
Currently held by Henry, John R
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 KD4JRH's current licensee, walking backwards.
- Henry, John RNCgranted 2021-04-29cancelled 2025-01-24
Successor callsigns
Callsigns held now by people who previously held KD4JRH.
No current licensee on record previously held this callsign.