Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN1DX callsign genealogy
Currently held by LEE, WON K
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 NN1DX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NN1DX.
- MUNRO, ROBERT BCTgranted 2025-03-21cancelled 2025-12-09
All historical holders
Every license row we've seen with the callsign NN1DX, oldest first.
- LEE, WON K CA2007-10-19 → cancelled 2019-11-26
- MUNRO, ROBERT B CT2023-02-11 → cancelled 2025-03-21