Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AB2PI callsign genealogy
Currently held by Watanabe, Yutaka
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 AB2PI's current licensee, walking backwards.
- Watanabe, YutakaCAgranted 2014-08-20cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held AB2PI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB2PI, oldest first.
- Watanabe, Yutaka CA2002-05-06 → cancelled 2014-05-07
- Watanabe, Yutaka CA2020-01-24 active