Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5SGD callsign genealogy
Currently held by Duwe, Samuel G
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 W5SGD's current licensee, walking backwards.
- Duwe, SamuelOKgranted 2015-02-18cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held W5SGD.
- Duwe, Samuel GOKgranted 2022-02-05