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

KP4JLO callsign genealogy

Currently held by Lugo-Ortiz, Jose O

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 KP4JLO's current licensee, walking backwards.

  1. WP4RDRcancelled· T
    LOPEZ ALSINA, JOSE APRgranted 2019-07-15cancelled 2019-09-13

Successor callsigns

Callsigns held now by people who previously held KP4JLO.

  1. NP3FMcancelled· E
    Lugo-Ortiz, Jose OPRgranted 2008-03-08cancelled 2009-07-24

All historical holders

Every license row we've seen with the callsign KP4JLO, oldest first.

  • Lugo-Ortiz, Jose O PR
    2006-09-01 → cancelled 2008-03-08
  • LOPEZ ALSINA, JOSE A PR
    2019-09-13 active
← Back to KP4JLO License history →