Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7AY callsign genealogy
Currently held by Larson, William R
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 AD7AY's current licensee, walking backwards.
- Larson, William RWAgranted 2003-09-16cancelled 2003-12-16
Successor callsigns
Callsigns held now by people who previously held AD7AY.
No current licensee on record previously held this callsign.