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

AC4TN callsign genealogy

Currently held by Haddock, Ralph E

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 AC4TN's current licensee, walking backwards.

  1. N1ARTcancelled
    TENNESSEE AMATEUR RADIO ASSOCIATIONTNgranted 2024-09-28cancelled 2025-09-03
  2. KI4TVcancelled
    Tennessee Valley Contest ClubTNgranted 2022-10-01cancelled 2024-09-28
  3. KQ4DEKcancelled
    Tennessee Valley Contest ClubTNgranted 2022-09-13cancelled 2022-10-01

Successor callsigns

Callsigns held now by people who previously held AC4TN.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AC4TN, oldest first.

  • Haddock, Ralph E TN
    2012-09-08 → cancelled 2024-09-10
  • TENNESSEE AMATEUR RADIO ASSOCIATION TN
    2025-09-03 active
← Back to AC4TN License history →