Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK7L callsign genealogy
Currently held by MADISON, THOMAS 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 NK7L's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NK7L.
No current licensee on record previously held this callsign.