Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4HLT callsign genealogy
Currently held by HARRIS, DOUGLAS J
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 N4HLT's current licensee, walking backwards.
- THOMPSON, HOWARD LTNgranted 2002-11-12cancelled 2011-10-07
Successor callsigns
Callsigns held now by people who previously held N4HLT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4HLT, oldest first.
- HARRIS, DOUGLAS J KY1998-08-19 → cancelled 2010-08-20
- THOMPSON, HOWARD L TN2021-08-04 active