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

AK4FD callsign genealogy

Currently held by Kaatz, Karl-Heinz

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 AK4FD's current licensee, walking backwards.

  1. N1DDCactive· T
    Coppock, Dwight DTXgranted 2023-11-14
  2. KC4REDcancelled· T
    Coppock, Dwight DTXgranted 2022-02-23cancelled 2023-11-14
  3. KI5TOQcancelled· T
    COPPOCK, DWIGHT DTXgranted 2022-02-03cancelled 2022-02-23

Successor callsigns

Callsigns held now by people who previously held AK4FD.

  1. AK5LPexpired· E
    Kaatz, Karl-HeinzFLgranted 2011-02-19cancelled 2023-02-22

All historical holders

Every license row we've seen with the callsign AK4FD, oldest first.

  • Kaatz, Karl-Heinz FL
    2011-01-21 → cancelled 2011-02-19
  • Coviello Jr, David NC
    2020-04-10 active
← Back to AK4FD License history →