Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1SNU callsign genealogy
Currently held by Widjaja, Wisnu
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 W1SNU's current licensee, walking backwards.
- Widjaja, WisnuWAgranted 2004-12-27cancelled 2005-03-02
Successor callsigns
Callsigns held now by people who previously held W1SNU.
No current licensee on record previously held this callsign.