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

AB1AU callsign genealogy

Currently held by Karns, Robert W

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 AB1AU's current licensee, walking backwards.

  1. KB1IEMcancelled· E
    Karns, Robert WMEgranted 2001-10-02cancelled 2002-05-14
  2. KB1HGBcancelled· G
    Karns, Robert WMEgranted 2001-10-02cancelled 2002-04-10

Successor callsigns

Callsigns held now by people who previously held AB1AU.

No current licensee on record previously held this callsign.

← Back to AB1AU License history →