Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA5OP callsign genealogy
Currently held by Toba, Hiroyuki
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 WA5OP's current licensee, walking backwards.
- Toba, HiroyukiCTgranted 2008-07-25cancelled 2009-08-21
Successor callsigns
Callsigns held now by people who previously held WA5OP.
No current licensee on record previously held this callsign.