Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1AAH callsign genealogy
Currently held by Sutopo, Agung
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 W1AAH's current licensee, walking backwards.
- Sutopo, AgungNJgranted 2023-07-15cancelled 2023-08-08
Successor callsigns
Callsigns held now by people who previously held W1AAH.
No current licensee on record previously held this callsign.