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

AB2JZ callsign genealogy

Currently held by Mack, Walter J

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 AB2JZ's current licensee, walking backwards.

  1. WM2Cactive· E
    Copeletti, Mark ANYgranted 2025-01-08
  2. NV2Cactive· E
    JENSEN, CHRIS CIDgranted 2021-02-09
  3. KC7YTXcancelled· E
    JENSEN, CHRIS CIDgranted 2007-04-26cancelled 2011-04-29
  4. KB7BHC
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held AB2JZ.

  1. WM2Ccancelled· E
    Mack, Walter JNYgranted 2000-08-15cancelled 2000-11-10

All historical holders

Every license row we've seen with the callsign AB2JZ, oldest first.

  • Mack, Walter J NY
    2000-06-20 → cancelled 2000-08-15
  • Mack, Walter J NY
    2000-11-10 → cancelled 2012-11-14
← Back to AB2JZ License history →