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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KP4SC callsign genealogy

Currently held by CABAN, SAMUEL

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 KP4SC's current licensee, walking backwards.

  1. KP4JBactive· E
    BAUZA, JUANPAgranted 2017-03-03
  2. KP4AIactive· E
    CARMONA FIGUEROA, JULIOPRgranted 2022-03-29
  3. KP4JCFcancelled· E
    CARMONA FIGUEROA, JULIOPRgranted 2018-11-24cancelled 2022-03-29
  4. WP4QOKcancelled· T
    CARMONA FIGUEROA, JULIOPRgranted 2018-10-23cancelled 2018-11-24

Successor callsigns

Callsigns held now by people who previously held KP4SC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KP4SC, oldest first.

  • MARRERO, LUIS A PR
    2002-05-29 → cancelled 2014-07-22
  • CABAN, SAMUEL PR
    2025-01-23 active
← Back to KP4SC License history →