Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1I callsign genealogy
Currently held by IWABUCHI, AYUMI
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 KA1I's current licensee, walking backwards.
- IWABUCHI, AYUMIcancelled 1999-06-16
Successor callsigns
Callsigns held now by people who previously held KA1I.
- RUPPRECHT JR, ROBERT AMAgranted 2016-10-17