Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0J callsign genealogy
Currently held by Suzuki, Tsutomu
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 WH0J's current licensee, walking backwards.
- Villanueva, Junar AMPgranted 2017-01-03cancelled 2021-07-07
Successor callsigns
Callsigns held now by people who previously held WH0J.
- Robinson, Jaron AWAgranted 2017-06-09
All historical holders
Every license row we've seen with the callsign WH0J, oldest first.
- Suzuki, Tsutomu MP2003-05-23 → cancelled 2015-05-27
- Robinson, Jaron A WA2015-08-04 → cancelled 2017-06-09
- Villanueva, Junar A MP2021-07-07 active