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

AK5B callsign genealogy

Currently held by CATHROW, JEFF

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 AK5B's current licensee, walking backwards.

  1. AJ5Jactive· E
    Kolodziej, Scott PTXgranted 2022-10-18
  2. AI5IPcancelled· E
    Kolodziej, Scott PTXgranted 2022-08-30cancelled 2022-10-18
  3. KI5WVKcancelled· E
    Kolodziej, Scott PTXgranted 2022-08-30cancelled 2022-09-26

Successor callsigns

Callsigns held now by people who previously held AK5B.

  1. N5ETactive· E
    WALWORTH, ROBERT CTXgranted 2026-04-09

All historical holders

Every license row we've seen with the callsign AK5B, oldest first.

  • GULF COAST RADIO ASSOCIATION TX
    2008-09-03 → cancelled 2020-09-11
  • CATHROW, JEFF TX
    2020-09-29 active
← Back to AK5B License history →