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

K4TPC callsign genealogy

Currently held by Carroll, Thomas P

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 K4TPC's current licensee, walking backwards.

  1. KO4TOCcancelled· G
    Chiprowski, Thomas PVAgranted 2021-09-27cancelled 2021-10-15

Successor callsigns

Callsigns held now by people who previously held K4TPC.

  1. KY4YYactive· E
    Carroll, Thomas PFLgranted 2024-02-29
  2. K4JOJcancelled· G
    JACKSON, GERALD WALgranted 2004-06-02cancelled 2006-05-06

All historical holders

Every license row we've seen with the callsign K4TPC, oldest first.

  • JACKSON, GERALD W AL
    1998-02-06 → cancelled 2004-06-02
  • Carroll, Thomas P FL
    2014-02-08 → cancelled 2014-04-15
  • Chiprowski, Thomas P VA
    2021-10-15 active
← Back to K4TPC License history →