Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4MRH callsign genealogy
Currently held by Hazelwood, Sean M
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 W4MRH's current licensee, walking backwards.
- Hazelwood, Sean MTNgranted 2007-06-15cancelled 2009-10-10
Successor callsigns
Callsigns held now by people who previously held W4MRH.
No current licensee on record previously held this callsign.