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

KK7DDD callsign genealogy

Currently held by Bowers, Derek R

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 KK7DDD's current licensee, walking backwards.

  1. KJ7SEGcancelled· T
    Saul, Marcia HWAgranted 2020-11-13cancelled 2020-12-01

Successor callsigns

Callsigns held now by people who previously held KK7DDD.

  1. KA1ACactive· E
    Chae, Soo KunWAgranted 2017-06-24
  2. W6TRDexpired· T
    Bowers, Derek RCAgranted 2014-05-28cancelled 2026-05-29

All historical holders

Every license row we've seen with the callsign KK7DDD, oldest first.

  • Bowers, Derek R CA
    2013-11-09 → cancelled 2014-05-28
  • Chae, Soo Kun WA
    2016-10-29 → cancelled 2017-06-24
  • Saul, Marcia H WA
    2020-12-01 active
← Back to KK7DDD License history →