Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4SGA callsign genealogy
Currently held by MITCHELL, BILLY 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 WB4SGA's current licensee, walking backwards.
- MITCHELL, JAMES GNCgranted 2014-12-08cancelled 2016-07-01
Successor callsigns
Callsigns held now by people who previously held WB4SGA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4SGA, oldest first.
- MITCHELL, BILLY E NC2004-02-14 → cancelled 2014-05-29
- MITCHELL, JAMES G NC2016-07-01 active