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

AG4J callsign genealogy

Currently held by GRANDI, GORDON P

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 AG4J's current licensee, walking backwards.

  1. AG4JCcancelled· E
    GRANDI, GORDON PFLgranted 2007-09-18cancelled 2012-02-25
  2. N4KJVactive· G
    Stead, KevinFLgranted 2024-10-11
  3. KQ4KCQcancelled· G
    Stead, KevinFLgranted 2023-07-25cancelled 2024-10-11

Successor callsigns

Callsigns held now by people who previously held AG4J.

  1. W4VKactive· E
    Bortz, Christopher AVAgranted 2019-12-05

All historical holders

Every license row we've seen with the callsign AG4J, oldest first.

  • CLARK, GEORGE W PA
    1997-11-10 → cancelled 2008-07-03
  • Bortz, Christopher A VA
    2009-12-11 → cancelled 2010-02-06
  • GRANDI, GORDON P GA
    2024-02-22 active
← Back to AG4J License history →