Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0P callsign genealogy
Currently held by Sakai, Shiro
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 WH0P's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WH0P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WH0P, oldest first.
- SORIANO, PEDRO N MP2003-03-04 → cancelled 2015-03-05
- Sakai, Shiro MP2024-12-27 active