Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD1N callsign genealogy
Currently held by Yoshida, Yuichi
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 KD1N's current licensee, walking backwards.
- YOSHIDA, YUICHIFLgranted 1998-10-15cancelled 2000-02-01
Successor callsigns
Callsigns held now by people who previously held KD1N.
- KRIKORIAN JR, JOHN SRIgranted 1998-01-07cancelled 2010-01-08
All historical holders
Every license row we've seen with the callsign KD1N, oldest first.
- Yoshida, Yuichi HI2019-11-25 active
- KRIKORIAN JR, JOHN S— → cancelled 1998-01-07