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

AB7IO callsign genealogy

Currently held by HENDEN, ARNE 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 AB7IO's current licensee, walking backwards.

  1. K9IIactive· E
    O CONNOR, MICHAEL QWIgranted 2016-10-28
  2. AA9GOactive· E
    Halasz, PeterORgranted 2020-10-06
  3. AI7CVcancelled· E
    Halasz, PeterORgranted 2020-09-10cancelled 2020-10-06

Successor callsigns

Callsigns held now by people who previously held AB7IO.

No current licensee on record previously held this callsign.