Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4MF callsign genealogy
Currently held by CACERES, MIGUEL 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 KP4MF's current licensee, walking backwards.
- Mendez-Alvarado, Felix APRgranted 2011-06-30cancelled 2012-05-25
Successor callsigns
Callsigns held now by people who previously held KP4MF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4MF, oldest first.
- CACERES, MIGUEL A PR1998-08-31 → cancelled 2010-09-01
- Mendez-Alvarado, Felix A PR2022-05-10 active