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

N4MOM callsign genealogy

Currently held by RITCHIE, RONALD D

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 N4MOM's current licensee, walking backwards.

  1. KJ4VXVcancelled· T
    Sorensen, Barbara CALgranted 2010-06-18cancelled 2010-09-10

Successor callsigns

Callsigns held now by people who previously held N4MOM.

  1. KF4MOMactive· A
    RITCHIE, RONALD DKYgranted 2018-09-19

All historical holders

Every license row we've seen with the callsign N4MOM, oldest first.

  • RITCHIE, RONALD D KY
    2001-08-10 → cancelled 2008-08-22
  • Sorensen, Barbara C AL
    2020-10-02 active
← Back to N4MOM License history →