Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1RHP callsign genealogy
Currently held by Tezuka, Yuko
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 W1RHP's current licensee, walking backwards.
- Tezuka, YukoCAgranted 2025-12-18cancelled 2026-01-09
Successor callsigns
Callsigns held now by people who previously held W1RHP.
No current licensee on record previously held this callsign.