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

KP3PI callsign genealogy

Currently held by IRIZARRY, PEDRO G

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 KP3PI's current licensee, walking backwards.

  1. KP4OJcancelled· E
    IRIZARRY, PEDRO GPRgranted 2011-12-28cancelled 2012-01-18
  2. KP4NCactive· E
    Colon-Barrios, NestorPRgranted 2021-07-02
  3. KP4NCBcancelled· E
    Colon-Barrios, NestorPRgranted 2018-06-02cancelled 2021-07-02
  4. WP4QBOcancelled· T
    Colon-Barrios, NestorPRgranted 2018-05-15cancelled 2018-06-02

Successor callsigns

Callsigns held now by people who previously held KP3PI.

No current licensee on record previously held this callsign.

← Back to KP3PI License history →