Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4VD callsign genealogy
Currently held by MUNIZ, ALFONSO 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 KP4VD's current licensee, walking backwards.
- PEREZ-ESPINA, SIXTO APRgranted 2002-08-28cancelled 2005-05-10
Successor callsigns
Callsigns held now by people who previously held KP4VD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4VD, oldest first.
- MUNIZ, ALFONSO L PR1993-04-20 → cancelled 2005-04-21
- PEREZ-ESPINA, SIXTO A PR2015-04-11 active