Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6YP callsign genealogy
Currently held by Kasai, Sumito
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 AD6YP's current licensee, walking backwards.
- Kasai, SumitoCAgranted 2001-06-11cancelled 2001-07-16
Successor callsigns
Callsigns held now by people who previously held AD6YP.
No current licensee on record previously held this callsign.