Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CSI callsign genealogy
Currently held by CLARIDA, VINCENT A
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 K4CSI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4CSI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CSI, oldest first.
- CLARIDA, VINCENT A FL2005-06-06 → cancelled 2017-06-30
- Santore, Lisa M FL2017-12-30 active