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

KP4ROR callsign genealogy

Currently held by OJEDA, RAMON

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 KP4ROR's current licensee, walking backwards.

  1. KP4ZFactive· E
    ROMAN, CARLOS AFLgranted 2023-06-28
  2. WP4ZFcancelled· E
    ROMAN, CARLOS APRgranted 2010-10-19cancelled 2013-07-30

Successor callsigns

Callsigns held now by people who previously held KP4ROR.

  1. KP4ROactive· A
    OJEDA, RAMONPRgranted 2026-07-10
← Back to KP4ROR License history →