Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4GUW callsign genealogy
Currently held by Dupree Mr., Michael A
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 W4GUW's current licensee, walking backwards.
- Dupree, Michael ATXgranted 2000-01-21cancelled 2000-03-21
Successor callsigns
Callsigns held now by people who previously held W4GUW.
No current licensee on record previously held this callsign.