Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1AD callsign genealogy
Currently held by Itano, Masashi
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 AB1AD's current licensee, walking backwards.
- Ijano, MasashiMAgranted 2001-03-22cancelled 2002-04-08
Successor callsigns
Callsigns held now by people who previously held AB1AD.
No current licensee on record previously held this callsign.