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

KP4BD callsign genealogy

Currently held by Las Piedras DX Group

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 KP4BD's current licensee, walking backwards.

  1. KP4CTactive· E
    TORRES DE ARCE, CESARPRgranted 2022-10-18
  2. NP3HBcancelled· E
    TORRES DE ARCE, CESARPRgranted 2016-09-19cancelled 2022-10-18

Successor callsigns

Callsigns held now by people who previously held KP4BD.

  1. KP3Hactive· E
    HERNADEZ, DANIELPRgranted 2017-03-12

All historical holders

Every license row we've seen with the callsign KP4BD, oldest first.

  • HERNADEZ, DANIEL PR
    2009-03-14 → cancelled 2017-03-12
  • Las Piedras DX Group PR
    2019-07-19 active
← Back to KP4BD License history →