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

KP4DD callsign genealogy

Currently held by VEGA, JESUS A

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 KP4DD's current licensee, walking backwards.

  1. KP4ICcancelled· E
    MONTALVO, EDGARDO JPRgranted 2016-06-01cancelled 2021-12-14
  2. KP3CIcancelled· E
    MONTALVO, EDGARDO JPRgranted 2014-04-28cancelled 2016-06-01
  3. WP4OZMcancelled· E
    MONTALVO, EDGARDO JPRgranted 2014-04-28cancelled 2014-09-30

Successor callsigns

Callsigns held now by people who previously held KP4DD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KP4DD, oldest first.

  • VEGA, JESUS A PR
    2009-01-16 → cancelled 2021-04-16
  • MONTALVO, EDGARDO J PR
    2021-12-14 active
← Back to KP4DD License history →