Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SGA callsign genealogy
Currently held by RAMSEY, R V
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 K4SGA's current licensee, walking backwards.
- RAMSEY, WILLIAM MSCgranted 2006-10-17cancelled 2008-12-16
Successor callsigns
Callsigns held now by people who previously held K4SGA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SGA, oldest first.
- RAMSEY, R V SC1997-12-01 → cancelled 1998-04-05
- RAMSEY, WILLIAM M SC2018-11-14 active