Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN5NN callsign genealogy
Currently held by DE MARCO, CHARLES E
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 KN5NN's current licensee, walking backwards.
- Nagata Jr, Neal JTXgranted 2013-07-12cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held KN5NN.
- DE MARCO, CHARLES EMIgranted 2003-10-07cancelled 2007-04-03
All historical holders
Every license row we've seen with the callsign KN5NN, oldest first.
- DE MARCO, CHARLES E MI2003-10-07 → cancelled 2007-03-09
- Nagata Jr, Neal J TX2025-01-04 active