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

AK4UT callsign genealogy

Currently held by HALLIHAN, PATRICK T

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 AK4UT's current licensee, walking backwards.

  1. NR1Kactive· E
    Hou, SongyaoCAgranted 2022-07-06
  2. KN6TVXcancelled· E
    Hou, SongyaoCAgranted 2022-04-19cancelled 2022-07-06

Successor callsigns

Callsigns held now by people who previously held AK4UT.

  1. AB4Tactive· E
    HALLIHAN, PATRICK TNCgranted 2021-05-08
  2. NR1Kcancelled· E
    HALLIHAN, PATRICK TNCgranted 2020-02-19cancelled 2020-05-12

All historical holders

Every license row we've seen with the callsign AK4UT, oldest first.

  • Sommer, Walfried A FL
    2002-06-11 → cancelled 2014-06-12
  • HALLIHAN, PATRICK T NC
    2018-01-23 → cancelled 2020-02-19
  • HALLIHAN, PATRICK T NC
    2020-05-12 → cancelled 2021-05-08
← Back to AK4UT License history →