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

AC4TB callsign genealogy

Currently held by BRYANT, DONALD L

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 AC4TB's current licensee, walking backwards.

  1. K4SVHcancelled· E
    Bott Sr, Thomas CFLgranted 2007-06-16cancelled 2009-08-11
  2. KI4WDGcancelled· G
    Bott Sr, Thomas CFLgranted 2007-05-29cancelled 2007-06-16

Successor callsigns

Callsigns held now by people who previously held AC4TB.

  1. AF4MRexpired· E
    BRYANT, DONALD LKYgranted 2008-08-27cancelled 2020-11-26

All historical holders

Every license row we've seen with the callsign AC4TB, oldest first.

  • Bott Sr, Thomas C FL
    2019-05-24 active
  • BRYANT, DONALD L
    — → cancelled 1998-11-25
← Back to AC4TB License history →