Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH7JJ callsign genealogy
Currently held by Nagano, Tsuyoshi
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 WH7JJ's current licensee, walking backwards.
- Nagano, TsuyoshiHIgranted 2004-05-25cancelled 2007-11-28
Successor callsigns
Callsigns held now by people who previously held WH7JJ.
No current licensee on record previously held this callsign.