Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4YA callsign genealogy
Currently held by SCHOPPE, 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 AA4YA's current licensee, walking backwards.
- Pennington, Bradley LKYgranted 2021-04-19cancelled 2021-08-03
Successor callsigns
Callsigns held now by people who previously held AA4YA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4YA, oldest first.
- SCHOPPE, WILLIAM R FL1989-11-28 → cancelled 2002-03-07
- Pennington, Bradley L KY2021-08-03 active