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

KP4TC callsign genealogy

Currently held by CORTES RIVERA, JUAN 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 KP4TC's current licensee, walking backwards.

  1. WP4JCRcancelled· E
    CORTES RIVERA, JUAN APRgranted 2023-09-09cancelled 2025-06-27
  2. WP4QHXcancelled· G
    CORTES RIVERA, JUAN APRgranted 2018-08-20cancelled 2023-09-09

Successor callsigns

Callsigns held now by people who previously held KP4TC.

  1. WP4Oactive· E
    OTERO, PEDRO JPRgranted 2026-02-21

All historical holders

Every license row we've seen with the callsign KP4TC, oldest first.

  • PINERO, JORGE M PR
    1992-01-21 → cancelled 2004-01-22
  • OTERO HERNANDEZ, PEDRO J PR
    2013-11-09 → cancelled 2016-05-13
  • CORTES RIVERA, JUAN A PR
    2025-06-27 active
← Back to KP4TC License history →