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

NP4VO callsign genealogy

Currently held by LOPEZ, JOSE F

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 NP4VO's current licensee, walking backwards.

  1. KP4JFLcancelled· G
    LOPEZ, JOSE FPRgranted 2022-05-19cancelled 2022-09-09
  2. WP4ELFcancelled· G
    Lopez-Melendez, Jose FPRgranted 1995-06-29cancelled 2002-06-11

Successor callsigns

Callsigns held now by people who previously held NP4VO.

  1. KP3Sactive· E
    VELAZQUEZ, RAFAEL APRgranted 2018-12-07

All historical holders

Every license row we've seen with the callsign NP4VO, oldest first.

  • VELAZQUEZ, RAFAEL A PR
    2018-10-10 → cancelled 2018-12-07
  • LOPEZ, JOSE F PR
    2022-09-09 active
← Back to NP4VO License history →