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

W2UIS callsign genealogy

Currently held by HALABUDA, MARK 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 W2UIS's current licensee, walking backwards.

  1. KA2IBNcancelled· G
    HALABUDA, MARK ANYgranted 2008-07-24cancelled 2011-07-15
  2. N2LIJcancelled
    cancelled 1998-10-05

Successor callsigns

Callsigns held now by people who previously held W2UIS.

No current licensee on record previously held this callsign.

← Back to W2UIS License history →