Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7DZ callsign genealogy
Currently held by Hidaka, Hiroshi
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 AF7DZ's current licensee, walking backwards.
- Hidaka, HiroshiORgranted 2013-06-28cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held AF7DZ.
- Hidaka, HiroshiORgranted 2025-12-02