Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4BU callsign genealogy
Currently held by BATE, PHILIP 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 AA4BU's current licensee, walking backwards.
- Bate, Philip WFLgranted 2006-02-27cancelled 2006-05-02
Successor callsigns
Callsigns held now by people who previously held AA4BU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4BU, oldest first.
- BATE, PHILIP W FL1992-07-28 → cancelled 2004-07-29
- Bate, Philip W FL2006-05-02 → cancelled 2018-05-03