Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO4SFA callsign genealogy
Currently held by Talbot, Donald 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 WO4SFA's current licensee, walking backwards.
- Talbot, Donald GNCgranted 2021-06-22cancelled 2022-04-22
Successor callsigns
Callsigns held now by people who previously held WO4SFA.
No current licensee on record previously held this callsign.