Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4HF callsign genealogy
Currently held by Murray, Michael S
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 KW4HF's current licensee, walking backwards.
- Murray, Michael SNCgranted 2001-01-04cancelled 2002-05-10
Successor callsigns
Callsigns held now by people who previously held KW4HF.
No current licensee on record previously held this callsign.