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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WP4JOT callsign genealogy

Currently held by VALLADARES PEREZ, JOSE 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 WP4JOT's current licensee, walking backwards.

  1. KP3JVcancelled· A
    VALLADARES PEREZ, JOSE MPRgranted 2023-01-10cancelled 2023-06-10

Successor callsigns

Callsigns held now by people who previously held WP4JOT.

  1. KP3JVcancelled· A
    VALLADARES PEREZ, JOSE MPRgranted 2023-01-10cancelled 2023-06-10

All historical holders

Every license row we've seen with the callsign WP4JOT, oldest first.

  • VALLADARES PEREZ, JOSE M PR
    2022-11-04 → cancelled 2023-01-10
  • VALLADARES PEREZ, JOSE M PR
    2023-06-10 active
← Back to WP4JOT License history →