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

KN4M callsign genealogy

Currently held by MC NAMARA, DONNY

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 KN4M's current licensee, walking backwards.

  1. KK4LSGcancelled· E
    Crossett, John KVAgranted 2012-09-21cancelled 2014-11-25

Successor callsigns

Callsigns held now by people who previously held KN4M.

  1. KE4RScancelled· E
    RODRIGUEZ JR, JoseAntonioFLgranted 2012-11-06cancelled 2014-05-23
  2. NG4USexpired
    ARRL Southeastern DivisionFLgranted 2010-09-11cancelled 2022-09-13

All historical holders

Every license row we've seen with the callsign KN4M, oldest first.

  • MC NAMARA, DONNY KY
    1997-02-12 → cancelled 2005-04-26
  • Lake County Contest Club FL
    2007-06-19 → cancelled 2010-09-11
  • RODRIGUEZ JR, JoseAntonio FL
    2012-10-02 → cancelled 2012-11-06
  • Crossett, John K VA
    2024-10-16 active
← Back to KN4M License history →