Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0JA callsign genealogy
Currently held by Togaru, Masaru
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 WH0JA's current licensee, walking backwards.
- Osuka, MasaruMPgranted 2010-10-08cancelled 2012-12-07
Successor callsigns
Callsigns held now by people who previously held WH0JA.
No current licensee on record previously held this callsign.