Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3S callsign genealogy
Currently held by POLK, HAROLD E
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 AA3S's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA3S, oldest first.
- HART, DOUGLAS M MD2020-01-22 active
- POLK, HAROLD E— → cancelled 1997-10-15