Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8ZM callsign genealogy
Currently held by Watanabe, Yukihiro
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 AB8ZM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AB8ZM.
- Watanabe, YukihiroMIgranted 2007-09-28cancelled 2007-11-27