Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4NU callsign genealogy
Currently held by Alley, Peter 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 KX4NU's current licensee, walking backwards.
- Alley, Peter JTNgranted 2018-07-05cancelled 2018-10-15
Successor callsigns
Callsigns held now by people who previously held KX4NU.
No current licensee on record previously held this callsign.