Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4CLF callsign genealogy
Currently held by GUEVARA, FELIX E
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 KC4CLF's current licensee, walking backwards.
- Flemming, Christopher LNCgranted 2018-05-25cancelled 2018-07-28
Successor callsigns
Callsigns held now by people who previously held KC4CLF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4CLF, oldest first.
- GUEVARA, FELIX E FL1987-12-01 → cancelled 1999-12-02
- Flemming, Christopher L NC2018-07-28 active