Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6FI callsign genealogy
Currently held by Ebisawa, Shin M
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 N6FI's current licensee, walking backwards.
- Ebisawa, ShinCAgranted 2010-12-22cancelled 2011-04-22
Successor callsigns
Callsigns held now by people who previously held N6FI.
- Ruhl, Donald JMOgranted 2019-03-19
All historical holders
Every license row we've seen with the callsign N6FI, oldest first.
- LEE, HONG Y CA1997-04-08 → cancelled 2004-09-01
- Ruhl, Donald J FL2008-03-11 → cancelled 2009-03-27
- Ebisawa, Shin M CA2021-04-16 active