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

KP4N callsign genealogy

Currently held by CRUZ, LUIS M

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 KP4N's current licensee, walking backwards.

  1. KP4LGcancelled· E
    CRESPO VEGA, FRANCISCOPRgranted 2018-01-23cancelled 2024-07-02
  2. NP4ATactive· T
    TORRADO ROSADO, ALVINPRgranted 2020-02-25
  3. WP4RFVcancelled· T
    TORRADO ROSADO, ALVINPRgranted 2019-09-03cancelled 2020-02-25

Successor callsigns

Callsigns held now by people who previously held KP4N.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KP4N, oldest first.

  • CRUZ, LUIS M PR
    2000-05-30 → cancelled 2012-05-23
  • CENTENO, RAFAEL E VA
    2012-06-12 → cancelled 2024-06-13
  • CRESPO VEGA, FRANCISCO PR
    2024-07-02 active
← Back to KP4N License history →