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

NP4P callsign genealogy

Currently held by Molina, Roberto

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 NP4P's current licensee, walking backwards.

  1. KP4FNcancelled· E
    MOLINA MARTINEZ, ROBERTOPRgranted 1999-07-09cancelled 2002-08-09
  2. WP4NEEcancelled· A
    MOLINA MARTINEZ, ROBERTOcancelled 1999-07-09

Successor callsigns

Callsigns held now by people who previously held NP4P.

  1. KP4MSexpired· E
    NOVOA LOPEZ, ISAACPRgranted 2009-03-03cancelled 2021-03-16

All historical holders

Every license row we've seen with the callsign NP4P, oldest first.

  • Molina, Roberto PR
    2022-05-24 active
  • —
    — → cancelled 1999-03-15
← Back to NP4P License history →