Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1USO callsign genealogy
Currently held by Lupo Mr, Richard 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 W1USO's current licensee, walking backwards.
- Lupo, Richard EFLgranted 2005-11-17cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held W1USO.
No current licensee on record previously held this callsign.