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

NP4LH callsign genealogy

Currently held by CARIBBEAN DX CLUB

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 NP4LH's current licensee, walking backwards.

  1. WP4IRcancelled
    CARIBBEAN DX CLUBPRgranted 2019-04-09cancelled 2019-09-21
  2. WP4NXBcancelled
    Carebbean DX ClubPRgranted 2008-04-30cancelled 2009-07-03

Successor callsigns

Callsigns held now by people who previously held NP4LH.

  1. NP4NNactive
    PUERTO RICO DX CLUBPRgranted 2020-06-01
  2. KP3LHactive
    Puerto Rico Amateur Radio TeamPRgranted 2017-03-12

All historical holders

Every license row we've seen with the callsign NP4LH, oldest first.

  • Puerto Rico Amateur Radio Team PR
    2015-07-28 → cancelled 2017-03-12
  • CARIBBEAN DX CLUB PR
    2019-09-21 → cancelled 2020-06-01
← Back to NP4LH License history →