Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4EMT callsign genealogy
Currently held by VELEZ BORRERO, LUIS D
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 KP4EMT's current licensee, walking backwards.
- VELEZ-BORRERO, LUIS DPRgranted 2003-05-21cancelled 2011-06-04
Successor callsigns
Callsigns held now by people who previously held KP4EMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4EMT, oldest first.
- MENDOZA RENTA, CARMEN PR1997-03-13 → cancelled 2009-03-14
- VELEZ BORRERO, LUIS D PR2021-05-12 active