Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB9NI callsign genealogy
Currently held by Richardson, Roy W
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 AB9NI's current licensee, walking backwards.
- Richardson, Roy WILgranted 2006-10-27cancelled 2007-01-22
Successor callsigns
Callsigns held now by people who previously held AB9NI.
- Richardson, Roy WCOgranted 2017-02-14