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

KP4DAO callsign genealogy

Currently held by Ochoa, Dario 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 KP4DAO's current licensee, walking backwards.

  1. NP4DAcancelled· G
    Ochoa-Garcia, Dario APRgranted 2013-11-19cancelled 2020-12-29
  2. WP4OUVcancelled· T
    Ochoa-Garcia, Dario APRgranted 2013-10-17cancelled 2013-11-19

Successor callsigns

Callsigns held now by people who previously held KP4DAO.

  1. KP4DOactive· E
    Ochoa, Dario APRgranted 2021-08-13
← Back to KP4DAO License history →