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

AK6U callsign genealogy

Currently held by POTTORFF, TOM 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 AK6U's current licensee, walking backwards.

  1. KT6Aactive· E
    SALZMAN, JEFFREY VPAgranted 2024-10-17
  2. K1TUXactive· E
    KIDD, MICHAEL GINgranted 2021-04-17
  3. KD9MMEcancelled· E
    KIDD, MICHAEL GINgranted 2019-02-19cancelled 2021-04-17

Successor callsigns

Callsigns held now by people who previously held AK6U.

  1. KT6Acancelled· E
    POTTORFF, TOM CCAgranted 2011-07-08cancelled 2012-07-10

All historical holders

Every license row we've seen with the callsign AK6U, oldest first.

  • BURDIS, MALCOLM J CA
    1999-05-18 → cancelled 2011-05-19
  • POTTORFF, TOM C CA
    2011-06-07 → cancelled 2011-07-08
  • POTTORFF, TOM C CA
    2022-05-07 active