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

AB7DG callsign genealogy

Currently held by Schafer, Douglas 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 AB7DG's current licensee, walking backwards.

  1. K7KDGcancelled· E
    Schafer, Douglas AWAgranted 2019-03-26cancelled 2020-06-26
  2. KJ7ENOcancelled· G
    Schafer, Douglas AWAgranted 2019-03-07cancelled 2019-03-26

Successor callsigns

Callsigns held now by people who previously held AB7DG.

  1. W6VFWactive· E
    AVITUA JR, SEVEROCAgranted 2023-01-05

All historical holders

Every license row we've seen with the callsign AB7DG, oldest first.

  • AVITUA JR, SEVERO CA
    2012-07-10 → cancelled 2013-02-01
  • Schafer, Douglas A WA
    2020-06-26 active
← Back to AB7DG License history →