Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4KPM callsign genealogy
Currently held by GREEN, MALCOLM A
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 N4KPM's current licensee, walking backwards.
- MCDONALD, PATRICK AVAgranted 2011-11-03cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held N4KPM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4KPM, oldest first.
- GREEN, MALCOLM A NC1994-10-18 → cancelled 2006-10-19
- MCDONALD, PATRICK A VA2026-06-23 active