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

W7IWX callsign genealogy

Currently held by TRIEB, DONALD C

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 W7IWX's current licensee, walking backwards.

  1. W4IWXcancelled· G
    Moore, Nikole BTNgranted 2024-06-04cancelled 2025-04-04
  2. N1KKYactive· G
    Southerland, Nickolas CPAgranted 2026-07-14
  3. N7KKYcancelled· G
    Southerland, Nickolas CPAgranted 2025-08-09cancelled 2026-07-14
  4. KG7UEMcancelled· G
    Southerland, Nickolas CPAgranted 2025-04-08cancelled 2025-08-09

Successor callsigns

Callsigns held now by people who previously held W7IWX.

  1. K7UMDactive· G
    Moore, Nikole BTNgranted 2026-08-18

All historical holders

Every license row we've seen with the callsign W7IWX, oldest first.

  • TRIEB, DONALD C AZ
    2009-04-01 → cancelled 2021-06-11
  • Moore, Nikole B TN
    2025-04-04 → cancelled 2026-08-18