Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4AR callsign genealogy
Currently held by Kasamatsu, Koichi
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 KK4AR's current licensee, walking backwards.
- Kasamatsu, KoichiGAgranted 2002-02-06cancelled 2002-09-27
Successor callsigns
Callsigns held now by people who previously held KK4AR.
No current licensee on record previously held this callsign.