Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ALC callsign genealogy
Currently held by LUGO-CINTRON, ALBERTO
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 KP4ALC's current licensee, walking backwards.
- LUGO-CINTRON, ALBERTOPRgranted 2023-06-28cancelled 2026-04-21
Successor callsigns
Callsigns held now by people who previously held KP4ALC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4ALC, oldest first.
- PORTER, CHANCEY W OK1994-02-08 → cancelled 2006-02-09
- LUGO-CINTRON, ALBERTO PR2026-04-21 active