Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4SAA callsign genealogy
Currently held by Winter III, Sidney K
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 KC4SAA's current licensee, walking backwards.
- Winter III, Sidney KALgranted 2020-07-14cancelled 2020-08-08
Successor callsigns
Callsigns held now by people who previously held KC4SAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4SAA, oldest first.
- WINTER III, SIDNEY K AL2003-04-09 → cancelled 2015-07-07
- Winter III, Sidney K AL2020-08-08 active