Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6NDN callsign genealogy
Currently held by NIXON, JIM
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 K6NDN's current licensee, walking backwards.
- Wilder, Mark SCAgranted 2021-11-16cancelled 2022-05-27
Successor callsigns
Callsigns held now by people who previously held K6NDN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6NDN, oldest first.
- NIXON, JIM CA2007-05-22 → cancelled 2019-05-23
- Wilder, Mark S CA2022-05-27 active