Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4LAC callsign genealogy
Currently held by CRUZ ACOSTA, LUIS 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 KP4LAC's current licensee, walking backwards.
- CRUZ ACOSTA, LUIS APRgranted 2022-05-17cancelled 2022-06-04
Successor callsigns
Callsigns held now by people who previously held KP4LAC.
- CRUZ ACOSTA, LUIS APRgranted 2026-03-24