Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8STU callsign genealogy
Currently held by UNDERWOOD SR, STUART W
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 W8STU's current licensee, walking backwards.
- UNDERWOOD, STUART WOHgranted 2004-10-19cancelled 2007-04-24
Successor callsigns
Callsigns held now by people who previously held W8STU.
No current licensee on record previously held this callsign.