Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9KON callsign genealogy
Currently held by PARK, DONG S
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 N9KON's current licensee, walking backwards.
- Park, Dong SILgranted 2007-10-29cancelled 2007-11-24
Successor callsigns
Callsigns held now by people who previously held N9KON.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KON, oldest first.
- PARK, DONG S IL1991-02-12 → cancelled 2003-02-13
- Park, Dong S IL2017-08-28 active