Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2S callsign genealogy
Currently held by Roberts, Charles L
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 KC2S's current licensee, walking backwards.
- Roberts, Charles LFLgranted 2016-11-21cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held KC2S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC2S, oldest first.
- STIRBER, BUD NY2004-12-30 → cancelled 2017-03-16
- Roberts, Charles L FL2017-04-04 active