Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ALP callsign genealogy
Currently held by Vargas-Figueroa, Juan 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 KP4ALP's current licensee, walking backwards.
- Vargas-Figueroa, Juan LPRgranted 2021-03-16cancelled 2021-04-27
Successor callsigns
Callsigns held now by people who previously held KP4ALP.
No current licensee on record previously held this callsign.