Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4LHP callsign genealogy
Currently held by LAUGHLIN, JOHN D
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 KD4LHP's current licensee, walking backwards.
- Laughlin, John DNCgranted 1998-02-09cancelled 2006-03-31
Successor callsigns
Callsigns held now by people who previously held KD4LHP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4LHP, oldest first.
- LAUGHLIN, ROBERT N NC1996-08-11 → cancelled 2004-03-11
- LAUGHLIN, JOHN D NC2016-03-28 active