Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ALB callsign genealogy
Currently held by LUIS ROSADO, ALBIN M
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 KP4ALB's current licensee, walking backwards.
- LUIS ROSADO, ALBIN MPRgranted 2018-06-13cancelled 2018-07-31
Successor callsigns
Callsigns held now by people who previously held KP4ALB.
No current licensee on record previously held this callsign.