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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KR4ZY callsign genealogy

Currently held by FLESHMAN, JAMES M

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 KR4ZY's current licensee, walking backwards.

  1. KD8GEOcancelled· E
    FLESHMAN, JAMES MVAgranted 2005-06-03cancelled 2013-05-29
  2. KD8AIYcancelled· T
    Fleshman, James MWVgranted 2004-09-22cancelled 2005-06-03

Successor callsigns

Callsigns held now by people who previously held KR4ZY.

  1. N1ZYexpired· E
    DAVIS JR, THOMASNCgranted 2011-04-30cancelled 2023-07-15

All historical holders

Every license row we've seen with the callsign KR4ZY, oldest first.

  • DAVIS JR, THOMAS ME
    1999-04-20 → cancelled 2001-07-14
  • FLESHMAN, JAMES M MD
    2023-03-02 active
← Back to KR4ZY License history →