Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4SV callsign genealogy
Currently held by Vazquez Sr, Samuel
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 KP4SV's current licensee, walking backwards.
- Vazquez Sr, SamuelPRgranted 2006-08-25cancelled 2010-08-03
Successor callsigns
Callsigns held now by people who previously held KP4SV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4SV, oldest first.
- VILA, RAMON A PR1995-01-30 → cancelled 2006-08-19
- Vazquez Sr, Samuel FL2022-02-10 active