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

AB3DB callsign genealogy

Currently held by Palmonka, Mathew R

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 AB3DB's current licensee, walking backwards.

  1. AB2FHcancelled· E
    PALMONKA, MATHEW RPAgranted 1998-05-07cancelled 2005-04-29
  2. KB2YDUcancelled· A
    PALMONKA, MATHEW Rcancelled 1998-05-07

Successor callsigns

Callsigns held now by people who previously held AB3DB.

  1. WA2RILactive· E
    Palmonka, Mathew RPAgranted 2020-03-31
← Back to AB3DB License history →