Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1XM callsign genealogy
Currently held by Widajat, Sukwan
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 AB1XM's current licensee, walking backwards.
- Widajat, SukwanNHgranted 2015-04-06cancelled 2015-04-22
Successor callsigns
Callsigns held now by people who previously held AB1XM.
No current licensee on record previously held this callsign.