Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0IOA callsign genealogy
Currently held by FISH, CLAYTON H
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 W0IOA's current licensee, walking backwards.
- FISH, CLAYTON HIAgranted 2006-07-06cancelled 2012-12-21
Successor callsigns
Callsigns held now by people who previously held W0IOA.
No current licensee on record previously held this callsign.