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

KA4H callsign genealogy

Currently held by Noll, Carlton L

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 KA4H's current licensee, walking backwards.

  1. KI4EXWcancelled· E
    Noll, Carlton LVAgranted 2004-04-06cancelled 2005-07-15

Successor callsigns

Callsigns held now by people who previously held KA4H.

  1. N8ZGactive· E
    George, Neal EFLgranted 2023-04-05
  2. W4FXexpired· E
    WILLIAMS, ROBERT CALgranted 2009-10-21cancelled 2021-10-29
  3. W4CRcancelled· E
    GAITHER JR, JAMES WTNgranted 2006-08-08cancelled 2015-05-18

All historical holders

Every license row we've seen with the callsign KA4H, oldest first.

  • WILLIAMS, ROBERT C AL
    1999-06-10 → cancelled 1999-10-28
  • George, Neal E FL
    2002-03-29 → cancelled 2003-06-25
  • Noll, Carlton L VA
    2026-04-07 active
← Back to KA4H License history →