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

WP4KL callsign genealogy

Currently held by SERRANO ROSA, JOSE L

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 WP4KL's current licensee, walking backwards.

  1. NP3JPcancelled· G
    SERRANO ROSA, JOSE LPRgranted 2005-01-25cancelled 2012-11-10
  2. WP4MWH
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held WP4KL.

  1. KP4CHcancelled· E
    SERRANO, JOSE LINgranted 2023-03-25cancelled 2024-10-11
  2. N1HOAexpired· G
    FREY, KAREN EMEgranted 1990-04-24cancelled 2002-04-25
← Back to WP4KL License history →