Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NH0U callsign genealogy
Currently held by ONO, MOTOFUMI
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 NH0U's current licensee, walking backwards.
- ONO, MOTOFUMIMPgranted 2010-04-21cancelled 2010-05-11
Successor callsigns
Callsigns held now by people who previously held NH0U.
- SMITH, MARTIN LNMgranted 2006-06-20cancelled 2008-08-01
All historical holders
Every license row we've seen with the callsign NH0U, oldest first.
- Smith, Martin L MT1997-08-14 → cancelled 2003-05-23
- ONO, MOTOFUMI MP2010-05-11 → cancelled 2022-05-12