Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4VY callsign genealogy
Currently held by Clayton, Chad 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 AI4VY's current licensee, walking backwards.
- Clayton, Chad WALgranted 2006-07-26cancelled 2007-03-27
Successor callsigns
Callsigns held now by people who previously held AI4VY.
- Clayton, ChadALgranted 2016-05-24