Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1AKR callsign genealogy
Currently held by Hasebe, Koichi
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 W1AKR's current licensee, walking backwards.
- Hasebe, KoichiCAgranted 2016-05-19cancelled 2016-06-07
Successor callsigns
Callsigns held now by people who previously held W1AKR.
- Hasebe, KoichiIDgranted 2026-06-30