Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4HHM callsign genealogy
Currently held by MC CLAIN III, HENRY 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 N4HHM's current licensee, walking backwards.
- MC CLAIN III, HENRY HFLgranted 2001-04-07cancelled 2010-11-13
Successor callsigns
Callsigns held now by people who previously held N4HHM.
No current licensee on record previously held this callsign.