Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6DUL callsign genealogy
Currently held by HIRAISHI, KAZUE
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 K6DUL's current licensee, walking backwards.
- HIRAISHI, KAZUEORgranted 2014-03-10cancelled 2014-07-04
Successor callsigns
Callsigns held now by people who previously held K6DUL.
- HIRAISHI, KAZUEORgranted 2016-07-26cancelled 2021-07-31