Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4SDA callsign genealogy
Currently held by SUMMERVILLE SDA RADIO CLUB
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 KC4SDA's current licensee, walking backwards.
- KM4RATcancelledSUMMERVILLE SDA RADIO CLUBSCgranted 2016-02-11cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held KC4SDA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4SDA, oldest first.
- ROBY, GINNY E KY1990-07-24 → cancelled 2002-07-25
- SUMMERVILLE SDA RADIO CLUB SC2016-04-05 active