Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4HRL callsign genealogy
Currently held by Lucas, Harold 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 N4HRL's current licensee, walking backwards.
- Lucas, Harold MIAgranted 2015-02-26cancelled 2016-04-26
Successor callsigns
Callsigns held now by people who previously held N4HRL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4HRL, oldest first.
- HIGH ROCK LAKE AMATEUR RADIO GROUP NC1997-07-28 → cancelled 2009-07-29
- Lucas, Harold M IA2026-04-02 active