Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4XH callsign genealogy
Currently held by Morris JR, John K
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 K4XH's current licensee, walking backwards.
- Morris JR, John KALgranted 2010-05-07cancelled 2019-07-06
Successor callsigns
Callsigns held now by people who previously held K4XH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4XH, oldest first.
- Morris, John K AL2014-07-08 → cancelled 2018-06-10
- Morris JR, John K AL2019-07-06 active