Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0W callsign genealogy
Currently held by KONNO, OSAMU
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 WH0W's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WH0W.
No current licensee on record previously held this callsign.