Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6WI callsign genealogy
Currently held by TAO, HARUO
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 KH6WI's current licensee, walking backwards.
- OLSON, ERIC JHIgranted 2021-08-06cancelled 2022-11-22
Successor callsigns
Callsigns held now by people who previously held KH6WI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6WI, oldest first.
- TAO, HARUO HI2008-02-07 → cancelled 2020-02-11
- OLSON, ERIC J HI2022-11-22 active