Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3UNS callsign genealogy
Currently held by Oikawa, Mitsuo
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 K3UNS's current licensee, walking backwards.
- Oikawa, MitsuoWAgranted 2013-10-18cancelled 2014-03-21
Successor callsigns
Callsigns held now by people who previously held K3UNS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3UNS, oldest first.
- RIEL, ROBERT K PA1999-04-08 → cancelled 2011-04-09
- Oikawa, Mitsuo HI2024-01-17 active