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

AC4KT callsign genealogy

Currently held by HECHAVARRIA PUPO, CARLOS

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 AC4KT's current licensee, walking backwards.

  1. W4CKTcancelled· E
    HECHAVARRIA PUPO, CARLOSFLgranted 2020-08-11cancelled 2022-03-04
  2. KJ4OBGcancelled· G
    HECHAVARRIA PUPO, CARLOSFLgranted 2019-07-16cancelled 2020-08-11

Successor callsigns

Callsigns held now by people who previously held AC4KT.

  1. WD4KTactive· E
    HECHAVARRIA PUPO, CARLOSFLgranted 2024-12-06

All historical holders

Every license row we've seen with the callsign AC4KT, oldest first.

  • WILSON, CHRISTOPHER M KY
    2001-07-25 → cancelled 2013-11-05
  • HECHAVARRIA PUPO, CARLOS FL
    2022-03-04 → cancelled 2024-12-06
← Back to AC4KT License history →