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

AG6J callsign genealogy

Currently held by COOPER, FREDERICK 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 AG6J's current licensee, walking backwards.

  1. AD6QNcancelled· E
    Maekawa, KazumaCAgranted 1999-12-22cancelled 2000-08-18
  2. KR6EHcancelled· A
    Maekawa, KazumaCAgranted 1999-12-22cancelled 2000-06-24
  3. KF6ZVRcancelled· G
    Maekawa, KazumaCAgranted 1999-12-22cancelled 2000-04-05

Successor callsigns

Callsigns held now by people who previously held AG6J.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AG6J, oldest first.

  • COOPER, FREDERICK W CA
    1988-04-26 → cancelled 2000-04-27
  • Maekawa, Kazuma CA
    2020-05-22 active
← Back to AG6J License history →