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

WP4H callsign genealogy

Currently held by Hernandez, Ruben 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 WP4H's current licensee, walking backwards.

  1. KP4RXactive· E
    Ramos, Ramon LTXgranted 2020-09-26
  2. WP4RNRcancelled· E
    Ramos Calderon, Ramon LPRgranted 2020-08-20cancelled 2020-09-26

Successor callsigns

Callsigns held now by people who previously held WP4H.

  1. KP4DGexpired· E
    GONZALEZ JR, DOMINGOPRgranted 2008-03-07cancelled 2020-04-29

All historical holders

Every license row we've seen with the callsign WP4H, oldest first.

  • Fernandez-Camilo, Ramon A PR
    2002-10-22 → cancelled 2006-06-28
  • Hernandez, Ruben A PR
    2018-05-30 active
  • GONZALEZ JR, DOMINGO
    — → cancelled 1998-04-28
← Back to WP4H License history →