Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NR6M callsign genealogy
Currently held by MC CLAIN, D RUTH
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 NR6M's current licensee, walking backwards.
- Choy, Colleen YCAgranted 2019-08-01cancelled 2024-09-27
Successor callsigns
Callsigns held now by people who previously held NR6M.
- LIM, WONILCAgranted 2010-08-17cancelled 2016-12-24
All historical holders
Every license row we've seen with the callsign NR6M, oldest first.
- MC CLAIN, D RUTH CA1997-07-22 → cancelled 2009-07-23
- LIM, WONIL CA2009-10-02 → cancelled 2010-08-17
- Turvin, Rex A AZ2012-09-08 → cancelled 2024-09-10
- Choy, Colleen Y CA2024-09-27 active