Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4CS callsign genealogy
Currently held by Surginer, Charles M
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 KI4CS's current licensee, walking backwards.
- Surginer, Charles MGAgranted 2011-06-21cancelled 2019-07-30
Successor callsigns
Callsigns held now by people who previously held KI4CS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4CS, oldest first.
- JAMES, STEPHEN K FL1989-02-21 → cancelled 2001-02-22
- Surginer, Charles M GA2019-07-30 active