Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4EL callsign genealogy
Currently held by Marrero Grajales, Alejandro
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 KP4EL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4EL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4EL, oldest first.
- Marrero Grajales, Alejandro PR1996-11-20 → cancelled 2008-11-21
- ACEVEDO, EULOGIO FL2010-04-03 → cancelled 2022-04-05
- LECLER, ELIUD PR2022-09-20 active