Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4NPN callsign genealogy
Currently held by KLUG, MATTHEW 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 KK4NPN's current licensee, walking backwards.
- KLUG, MATTHEW ATNgranted 2010-05-18cancelled 2012-12-29
Successor callsigns
Callsigns held now by people who previously held KK4NPN.
- KLUG, MATTHEW ATNgranted 2022-06-01