Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4HM callsign genealogy
Currently held by BERG, LLOYD O
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 N4HM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4HM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4HM, oldest first.
- TRIBBLE JR, ARTHUR M TN2020-03-27 active
- BERG, LLOYD O— → cancelled 1998-04-22