Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NR7M callsign genealogy
Currently held by CUNNINGHAM, CLOVIS 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 NR7M's current licensee, walking backwards.
- Yamada, ToshihikoWAgranted 2004-08-31cancelled 2007-11-27
Successor callsigns
Callsigns held now by people who previously held NR7M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NR7M, oldest first.
- CUNNINGHAM, CLOVIS E OR1996-05-15 → cancelled 1996-11-10
- Yamada, Toshihiko WA2017-09-12 active