Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK4Z callsign genealogy
Currently held by Worley, David L
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 NK4Z's current licensee, walking backwards.
- Daniel, Joseph EALgranted 2019-09-17cancelled 2019-11-05
Successor callsigns
Callsigns held now by people who previously held NK4Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NK4Z, oldest first.
- Worley, David L KY2009-05-30 → cancelled 2017-10-16
- Daniel, Joseph E AL2019-11-05 active