uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF4AC callsign genealogy

Currently held by KITTEL, HAROLD J

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 KF4AC's current licensee, walking backwards.

  1. KF7ACcancelled· E
    KITTEL, HAROLD JFLgranted 2011-10-12cancelled 2014-02-11
  2. KF0ACactive· E
    Head, Randall LMOgranted 2024-11-26
  3. KF0CLNcancelled· E
    Head, Randall LMOgranted 2020-11-16cancelled 2024-11-26

Successor callsigns

Callsigns held now by people who previously held KF4AC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KF4AC, oldest first.

  • REDMAN, WALTER A FL
    1988-04-05 → cancelled 2000-04-06
  • KITTEL, HAROLD J FL
    2024-01-03 active
← Back to KF4AC License history →