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

NP4LP callsign genealogy

Currently held by VALENTIN NIEVES, LILLIAN 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 NP4LP's current licensee, walking backwards.

  1. NP4MPcancelled· T
    VALENTIN NIEVES, LILLIAN APRgranted 2018-03-30cancelled 2019-04-23
  2. WP4PXUcancelled· T
    VALENTIN NIEVES, LILLIAN APRgranted 2018-02-05cancelled 2018-03-30
  3. KN4JJFcancelled· T
    VALENTIN NIEVES, LILLIAN APRgranted 2018-02-05cancelled 2018-02-06

Successor callsigns

Callsigns held now by people who previously held NP4LP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NP4LP, oldest first.

  • ORTIZ, DARIL H PR
    2006-06-27 → cancelled 2018-09-13
  • VALENTIN NIEVES, LILLIAN A PR
    2019-04-23 active
← Back to NP4LP License history →