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

WP4ZZ callsign genealogy

Currently held by Perez, Heriberto

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 WP4ZZ's current licensee, walking backwards.

  1. KK4DCXcancelled· G
    Perez, HeribertoPRgranted 2011-07-15cancelled 2019-12-27

Successor callsigns

Callsigns held now by people who previously held WP4ZZ.

  1. NP2ZZactive· G
    Perez, HeribertoVIgranted 2022-06-28
  2. WP4DDactive· G
    Torres Santiago, Victor LPRgranted 2017-09-06

All historical holders

Every license row we've seen with the callsign WP4ZZ, oldest first.

  • DONATO, NELSON PR
    1990-11-06 → cancelled 2002-11-07
  • Torres Santiago, Victor L PR
    2013-04-13 → cancelled 2017-09-06
  • Perez, Heriberto VI
    2019-12-27 → cancelled 2022-06-28
← Back to WP4ZZ License history →