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

AC7IJ callsign genealogy

Currently held by Brennan, Jeffrey 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 AC7IJ's current licensee, walking backwards.

  1. AH7Iactive· E
    DUCKWORTH, ROBERT MGAgranted 2022-09-13
  2. WB4MNFcancelled· E
    DUCKWORTH, ROBERT MGAgranted 1995-09-13cancelled 2002-09-10

Successor callsigns

Callsigns held now by people who previously held AC7IJ.

No current licensee on record previously held this callsign.

← Back to AC7IJ License history →