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

WT0A callsign genealogy

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 WT0A's current licensee, walking backwards.

  1. KF0AEcancelled· E
    BURKHARDT, JOHN EMNgranted 2023-06-27cancelled 2024-05-29
  2. AE0UQcancelled· E
    BURKHARDT, JOHN EMNgranted 2023-01-31cancelled 2023-06-27
  3. KF0LJScancelled· E
    BURKHARDT, JOHN EMNgranted 2023-01-31cancelled 2023-05-15

Successor callsigns

Callsigns held now by people who previously held WT0A.

  1. AA1UNcancelled· E
    HORN, RANDAL JVTgranted 2002-10-09cancelled 2003-03-15

All historical holders

Every license row we've seen with the callsign WT0A, oldest first.

  • Felt, Glen K NE
    2012-02-16 → cancelled 2024-04-04
  • BURKHARDT, JOHN E MN
    2024-05-29 active
  • —
    — → cancelled 1999-07-15
← Back to WT0A License history →