Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WHM callsign genealogy
Currently held by Moore, William 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 K4WHM's current licensee, walking backwards.
- Moore, William HNCgranted 2013-07-25cancelled 2015-02-03
Successor callsigns
Callsigns held now by people who previously held K4WHM.
No current licensee on record previously held this callsign.